Xu, Y; Cheung, YB; Lam, KF; Milligan, P; (2012) Estimation of summary protective efficacy using a frailty mixture model for recurrent event time data. Statistics in medicine, 31 (29). pp. 4023-39. ISSN 0277-6715 DOI: https://doi.org/10.1002/sim.5458 Full text not available from this repository.

Russell, FM; Carapetis, JR; Balloch, A; Licciardi, PV; Jenney, AWJ; Tikoduadua, L; Waqatakirewa, L; Pryor, J; Nelson, J; Byrnes, GB; +3 more... Cheung, YB; Tang, MLK; Mulholland, EK; (2010) Hyporesponsiveness to re-challenge dose following pneumococcal polysaccharide vaccine at 12 months of age, a randomized controlled trial. Vaccine, 28 (19). pp. 3341-3349. ISSN 0264-410X DOI: https://doi.org/10.1016/j.vaccine.2010.02.087 Full text not available from this repository.

Antonio, M; Hakeem, I; Sankareh, K; Cheung, YB; Adegbola, RA; (2009) Evaluation of sequential multiplex PCR for direct detection of multiple serotypes of Streptococcus pneumoniae from nasopharyngeal secretions. Journal of medical microbiology, 58 (3). pp. 296-302. ISSN 0022-2615 DOI: https://doi.org/10.1099/jmm.0.006031-0 Full text not available from this repository.

Cheung, YB; Zaman, SM; Nsekpong, ED; Van Beneden, CA; Adegbola, RA; Greenwood, B; Cutts, FT; (2009) Nasopharyngeal Carriage of Streptococcus pneumoniae in Gambian Children who Participated in a 9-valent Pneumococcal Conjugate Vaccine Trial and in Their Younger Siblings. The Pediatric infectious disease journal, 28 (11). pp. 990-5. ISSN 0891-3668 DOI: https://doi.org/10.1097/INF.0b013e3181a78185 Full text not available from this repository.

Corbett, EL; Bandason, T; Cheung, YB; Makamure, B; Dauya, E; Munyati, SS; Churchyard, GJ; Williams, BG; Butterworth, AE; Mungofa, S; +2 more... Hayes, RJ; Mason, PR; (2009) Prevalent infectious tuberculosis in Harare, Zimbabwe: burden, risk factors and implications for control. The international journal of tuberculosis and lung disease, 13 (10). pp. 1231-7. ISSN 1027-3719 http://researchonline.lshtm.ac.uk/id/eprint/4715 Full text not available from this repository.

Phuka, J; Thakwalakwa, C; Maleta, K; Cheung, YB; Briend, A; Manary, M; Ashorn, P; (2009) Supplementary feeding with fortified spread among moderately underweight 6-18-month-old rural Malawian children. Maternal & child nutrition, 5 (2). pp. 159-170. ISSN 1740-8695 DOI: https://doi.org/10.1111/j.1740-8709.2008.00162.x Full text not available from this repository.

Ritchie, LMP; Howie, SRC; Arenovich, T; Cheung, YB; Weber, M; Moore, S; Adegbola, RA; (2009) Long-term morbidity from severe pneumonia in early childhood in The Gambia, West Africa: a follow-up study. The international journal of tuberculosis and lung disease, 13 (4). pp. 527-532. ISSN 1027-3719 http://researchonline.lshtm.ac.uk/id/eprint/5596 Full text not available from this repository.

Cheung, YB; Jeffries, D; Thomson, A; Milligan, P; (2008) A simple approach to test for interaction between intervention and an individual-level variable in community randomized trials. Tropical medicine & international health, 13 (2). pp. 247-55. ISSN 1360-2276 DOI: https://doi.org/10.1111/j.1365-3156.2007.01997.x Full text not available from this repository.

Cheung, YB; Zaman, SM; Ruopuro, ML; Enwere, G; Adegbola, RA; Greenwood, B; Cutts, FT; (2008) C-reactive protein and procalcitonin in the evaluation of the efficacy of a pneumococcal conjugate vaccine in Gambian children. Tropical medicine & international health, 13 (5). pp. 603-11. ISSN 1360-2276 DOI: https://doi.org/10.1111/j.1365-3156.2008.02050.x Full text not available from this repository.

Hill, PC; Cheung, YB; Akisanya, A; Sankareh, K; Lahai, G; Greenwood, BM; Adegbola, RA; (2008) Nasopharyngeal Carriage of Streptococcus pneumoniae in Gambian Infants: A Longitudinal Study. Clinical infectious diseases, 46 (6). pp. 807-14. ISSN 1058-4838 DOI: https://doi.org/10.1086/528688 Full text not available from this repository.

Phuka, JC; Maleta, K; Thakwalakwa, C; Cheung, YB; Briend, A; Manary, MJ; Ashorn, P; (2008) Complementary feeding with fortified spread and incidence of severe stunting in 6-to 18-month-old rural Malawians. Archives of pediatrics & adolescent medicine, 162 (7). pp. 619-626. ISSN 1072-4710 DOI: https://doi.org/10.1001/archpedi.162.7.619

Wee, HL; Cheung, YB; Loke, WC; Tan, CB; Chow, MH; LI, SC; Fong, KY; Feeny, D; Machin, D; Luo, N; +1 more... Thumboo, J; (2008) The association of body mass index with health-related quality of life: An exploratory study in a multiethnic Asian population. Value in health, 11. S105-S114. ISSN 1098-3015 DOI: https://doi.org/10.1111/j.1524-4733.2008.00374.x Full text not available from this repository.

Wee, HL; Fong, KY; Tse, C; Machin, D; Cheung, YB; Luo, N; Thumboo, J; (2008) Optimizing the design of visual analogue scales for assessing quality of life: a semi-qualitative study among Chinese-speaking Singaporeans. Journal of evaluation in clinical practice, 14 (1). pp. 121-125. ISSN 1356-1294 DOI: https://doi.org/10.1111/j.1365-2753.2007.00814.x Full text not available from this repository.

Wee, HL; LI, SC; Xie, F; Zhang, XH; Luo, N; Feeny, D; Cheung, YB; Machin, D; Fong, KY; Thumboo, J; (2008) Validity, feasibility and acceptability of time trade-off and standard gamble assessments in health valuation studies: A study in a multiethnic Asian population in Singapore. Value in health, 11. S3-S10. ISSN 1098-3015 DOI: https://doi.org/10.1111/j.1524-4733.2008.00361.x Full text not available from this repository.

Cheung, YB; (2007) A modified least-squares regression approach to the estimation of risk difference. American journal of epidemiology, 166 (11). pp. 1337-1344. ISSN 0002-9262 DOI: https://doi.org/10.1093/aje/kwm223 Full text not available from this repository.

Cheung, YB; Liu, KY; Yip, PS; (2007) Performance of the CES-D and its short forms in screening suicidality and hopelessness in the community. Suicide & life-threatening behavior, 37 (1). pp. 79-88. ISSN 0363-0234 DOI: https://doi.org/10.1521/suli.2007.37.1.79 Full text not available from this repository.

Corbett, EL; Bandason, T; Cheung, YB; Munyati, S; Godfrey-Faussett, P; Hayes, R; Churchyard, G; Butterworth, A; Mason, P; (2007) Epidemiology of tuberculosis in a high HIV prevalence population provided with enhanced diagnosis of symptomatic disease. PLoS medicine, 4 (1). pp. 164-172. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.0040022

Corbett, EL; Makamure, B; Cheung, YB; Dauya, E; Matambo, R; Bandason, T; Munyati, SS; Mason, PR; Butterworth, AE; Hayes, RJ; (2007) HIV incidence during a cluster-randomized trial of two strategies providing voluntary counselling and testing at the workplace, Zimbabwe. AIDS (London, England), 21 (4). pp. 483-489. ISSN 0269-9370 DOI: https://doi.org/10.1097/QAD.0b013e3280115402 Full text not available from this repository.

Corbett, EL; Muzangwa, J; Chaka, K; Dauya, E; Cheung, YB; Munyati, SS; Reid, A; Hakim, J; Chandiwana, S; Mason, PR; +2 more... Butterworth, AE; Houston, S; (2007) Nursing and community rates of Mycobacterium tuberculosis infection among students in Harare, Zimbabwe. Clinical infectious diseases, 44 (3). pp. 317-23. ISSN 1058-4838 DOI: https://doi.org/10.1086/509926 Full text not available from this repository.

Dunyo, S; Sirugo, G; Sesay, S; Bisseye, C; Njie, F; Janha, R; Adiamoh, M; Nwakanma, D; Diatta, M; Joof, FS; +7 more... Temple, B; Sey, O; Snell, P; Conway, D; Walton, R; Cheung, YB; Milligan, P; (2007) Randomized trial of safety and effectiveness of chlorproguanil-dapsone (Lapdap) compared to lumefantrine-artemether (Coartemether) for uncomplicated malaria in children in The Gambia. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/6279 Full text not available from this repository.

Enwere, G; Cheung, YB; Zaman, SMA; Akano, A; Oluwalana, C; Brown, O; Vaughan, A; Adegbola, R; Greenwood, B; Cutts, F; (2007) Epidemiology and clinical features of pneumonia according to radiographic findings in Gambian children. Tropical medicine & international health, 12 (11). pp. 1377-1385. ISSN 1360-2276 DOI: https://doi.org/10.1111/j.1365-3156.2007.01922.x Full text not available from this repository.

Grantham-McGregor, S; Cheung, YB; Cueto, S; Glewwe, P; Richter, L; Strupp, B; International Child Development Steering Group; (2007) Developmental potential in the first 5 years for children in developing countries. Lancet, 369 (9555). pp. 60-70. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(07)60032-4

Joof, BM; Dawson, A; Palmer, A; Dibba, A; Yehuenou, S; Devaney, B; Ocran, C; Cheung, YB; Kasse, Y; Milligan, P; (2007) Peer health education for promoting knowledge and practice of malaria prevention among school children and their families. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/6469 Full text not available from this repository.

Turner, PC; Collinson, AC; Cheung, YB; Gong, YY; Hall, AJ; Prentice, AM; Wild, CP; (2007) Aflatoxin exposure in utero causes growth faltering in Gambian infants. International journal of epidemiology, 36 (5). pp. 1119-1125. ISSN 0300-5771 DOI: https://doi.org/10.1093/ije/dym122 Full text not available from this repository.

Wee, HL; Loke, WC; LI, SC; Fong, KY; Cheung, YB; Machin, D; Luo, N; Thumboo, J; (2007) Cross-cultural adaptation and validation of Singapore Malay and tamil versions of the EQ-5D. Annals of the Academy of Medicine, Singapore, 36 (6). pp. 403-408. ISSN 0304-4602 http://researchonline.lshtm.ac.uk/id/eprint/8548 Full text not available from this repository.

Wee, HL; Machin, D; Loke, WC; LI, SC; Cheung, YB; Luo, N; Feeny, D; Fong, KY; Thumboo, J; (2007) Assessing differences in utility scores: A comparison of four widely used preference-based instruments. Value in health, 10 (4). pp. 256-265. ISSN 1098-3015 DOI: https://doi.org/10.1111/j.1524-4733.2007.00174.x Full text not available from this repository.

Cheung, YB; (2006) Growth and cognitive function of Indonesian children: zero-inflated proportion models. Statistics in medicine, 25 (17). pp. 3011-22. ISSN 0277-6715 DOI: https://doi.org/10.1002/sim.2467 Full text not available from this repository.

Cheung, YB; Daniel, R; Ng, GY; (2006) Response and Non-response to a Quality-of-Life Question on Sexual Life: A Case Study of the Simple mean Imputation Method. Quality of life research, 15 (9). pp. 1493-501. ISSN 0962-9343 DOI: https://doi.org/10.1007/s11136-006-0004-1 Full text not available from this repository.

Cheung, YB; Goh, C; Thumboo, J; Khoo, KS; Wee, J; (2006) Quality of life scores differed according to mode of administration in a review of three major oncology questionnaires. Journal of clinical epidemiology, 59 (2). pp. 185-91. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2005.06.011 Full text not available from this repository.

Cheung, YB; Law, CK; Chan, B; Liu, KY; Yip, PSF; (2006) Suicidal ideation and suicidal attempts in a population-based study of Chinese people: Risk attributable to hopelessness, depression, and social factors. Journal of affective disorders, 90 (2-3). pp. 193-199. ISSN 0165-0327 DOI: https://doi.org/10.1016/j.jad.2005.11.018 Full text not available from this repository.

Cheung, YB; Thumboo, J; (2006) Developing Health-Related Quality-of-Life Instruments for Use in Asia: The Issues. PharmacoEconomics, 24 (7). pp. 643-50. ISSN 1170-7690 DOI: https://doi.org/10.2165/00019053-200624070-00003 Full text not available from this repository.

Corbett, EL; Dauya, E; Matambo, R; Cheung, YB; Makamure, B; Bassett, MT; Chandiwana, S; Munyati, S; Mason, PR; Butterworth, AE; +2 more... Godfrey-Faussett, P; Hayes, RJ; (2006) Uptake of Workplace HIV Counselling and Testing: A Cluster-Randomised Trial in Zimbabwe. PLoS medicine, 3 (7). e238. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.0030238

Enwere, G; Biney, E; Cheung, Y; Zaman, SM; Okoko, B; Oluwalana, C; Vaughan, A; Greenwood, B; Adegbola, R; Cutts, FT; (2006) Epidemiologic and clinical characteristics of community-acquired invasive bacterial infections in children aged 2-29 months in The Gambia. The Pediatric infectious disease journal, 25 (8). pp. 700-5. ISSN 0891-3668 DOI: https://doi.org/10.1097/01.inf.0000226839.30925.a5 Full text not available from this repository.

Hill, PC; Akisanya, A; Sankareh, K; Cheung, YB; Saaka, M; Lahai, G; Greenwood, BM; Adegbola, RA; (2006) Nasopharyngeal carriage of Streptococcus pneumoniae in Gambian villagers. Clinical infectious diseases, 43 (6). pp. 673-9. ISSN 1058-4838 DOI: https://doi.org/10.1086/506941 Full text not available from this repository.

Jukes, MCH; Pinder, M; Grigorenko, EL; Smith, HB; Walraven, G; Bariau, EM; Sternberg, RJ; Drake, LJ; Milligan, P; Cheung, YB; +2 more... Greenwood, BM; Bundy, DAP; (2006) Long-term impact of malaria chemoprophylaxis on cognitive abilities and educational attainment: Follow-up of a controlled trial. PLoS clinical trials, 1 (4). e19. ISSN 1555-5887 DOI: https://doi.org/10.1371/journal.pctr.0010019

Lam, KF; Xue, HQ; Cheung, YB; (2006) Semiparametric analysis of zero-inflated count data. Biometrics, 62 (4). pp. 996-1003. ISSN 0006-341X DOI: https://doi.org/10.1111/j.1541-0420.2006.00575.x Full text not available from this repository.

Machin, D; Cheung, YB; Parmar, M; (2006) Survival Analysis: A Practical Approach. Wiley. http://researchonline.lshtm.ac.uk/id/eprint/13470 Full text not available from this repository.

Wee, HL; LI, SC; Xie, F; Zhang, XH; Luo, N; Cheung, YB; Machin, D; Fong, KY; Thumboo, J; (2006) Are Asians comfortable with discussing death in health valuation studies? A study in multi-ethnic Singapore. Health and quality of life outcomes, 4. ISSN 1477-7525 DOI: https://doi.org/10.1186/1477-7525-4-93

Yip, PSF; Cheung, YB; (2006) Quick assessment of hopelessness: a cross-sectional study. Health and quality of life outcomes, 4. ISSN 1477-7525 DOI: https://doi.org/10.1186/1477-7525-4-13

Cheung, YB; (2005) Obstetric intervention to shorten gestational duration is better decided based on conventional measures of gestational age-specific mortality without calculating fetuses at risk. Journal of clinical epidemiology, 58 (9). pp. 964-5. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2005.03.005 Full text not available from this repository.

Cheung, YB; (2005) Growth in early life is associated with stress symptoms in adults. In: Oxington, KV, (ed.) Stress and Health: New Research. Nova, New York, pp. 81-102. http://researchonline.lshtm.ac.uk/id/eprint/13238 Full text not available from this repository.

Cheung, YB; Goh, C; Thumboo, J; Khoo, KS; Wee, J; (2005) Variability and sample size requirements for health-related quality-of-life measures: Understanding the challenges facing investigators - Reply. Journal of clinical oncology, 23 (33). pp. 8542-8543. ISSN 0732-183X DOI: https://doi.org/10.1200/jco.2005.04.0501 Full text not available from this repository.

Cheung, YB; Goh, C; Thumboo, J; Khoo, KS; Wee, J; (2005) Variability and Sample Size Requirements of Quality-of-Life Measures: A Randomized Study of Three Major Questionnaires. Journal of clinical oncology, 23 (22). pp. 4936-44. ISSN 0732-183X DOI: https://doi.org/10.1200/JCO.2005.07.141 Full text not available from this repository.

Cheung, YB; Khoo, KS; Thumboo, J; Ng, GY; Wee, J; Goh, C; (2005) Validation of the English and Chinese versions of the Quick-FLIC quality of life questionnaire. British journal of cancer, 92 (4). pp. 668-72. ISSN 0007-0920 DOI: https://doi.org/10.1038/sj.bjc.6602399

Cheung, YB; Lam, KF; (2005) Bivariate Poisson-Poisson model of zero-inflated absenteeism data. Statistics in medicine, 25 (21). pp. 3707-17. ISSN 0277-6715 DOI: https://doi.org/10.1002/sim.2485 Full text not available from this repository.

Cheung, YB; Lim, C; Goh, C; Thumboo, J; Wee, J; (2005) Order effects: a randomised study of three major cancer-specific quality of life instruments. Health and quality of life outcomes, 3 (1). p. 37. ISSN 1477-7525 DOI: https://doi.org/10.1186/1477-7525-3-37

Corbett, E; Bandason, T; Dauya, E; Makamure, B; Cheung, Y.-, B; Mtero-Munyati, S; Matambo, R; Godfrey-Faussett, P; Hayes, R; Churchyard, G; +2 more... Butterworth, A; Mason, P; (2005) HIV infection and the duration and control of prevalent tuberculosis disease in Harare, Zimbabwe. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/11477 Full text not available from this repository.

Wee, HL; Cheung, YB; Li, SC; Fong, KY; Thumboo, J; (2005) The impact of diabetes mellitus and other chronic medical conditions on health-related Quality of Life: is the whole greater than the sum of its parts? Health and quality of life outcomes, 3 (1). p. 2. ISSN 1477-7525 DOI: https://doi.org/10.1186/1477-7525-3-2

Cheung, YB; Thumboo, J; Goh, C; Khoo, KS; Che, W; Wee, J; (2004) The equivalence and difference between the English and Chinese versions of two major, cancer-specific, health-related quality-of-life questionnaires. Cancer, 101 (12). pp. 2874-80. ISSN 0008-543X DOI: https://doi.org/10.1002/cncr.20681 Full text not available from this repository.

Gao, F; Luo, N; Thumboo, J; Fones, C; Li, SC; Cheung, YB; (2004) Does the 12-item General Health Questionnaire contain multiple factors and do we need them? Health and quality of life outcomes, 2 (1). p. 63. ISSN 1477-7525 DOI: https://doi.org/10.1186/1477-7525-2-63

Wee, HL; Cheung, YB; Fong, KY; Luo, N; Machin, D; Thumboo, J; (2004) Are English- and Chinese-language versions of the SF-6D equivalent? A comparison from a population-based study. Clinical therapeutics, 26 (7). pp. 1137-48. ISSN 0149-2918 DOI: https://doi.org/10.1016/S0149-2918(04)90186-5 Full text not available from this repository.

Cheung, YB; Gao, F; Khoo, KS; (2003) Age at diagnosis and the choice of survival analysis methods in cancer epidemiology. Journal of clinical epidemiology, 56 (1). pp. 38-43. ISSN 0895-4356 DOI: https://doi.org/10.1016/S0895-4356(02)00536-X Full text not available from this repository.

Chowbay, B; Cumaraswamy, S; Cheung, YB; Zhou, Q; Lee, EJ; (2003) Genetic polymorphisms in MDR1 and CYP3A4 genes in Asians and the influence of MDR1 haplotypes on cyclosporin disposition in heart transplant recipients. Pharmacogenetics, 13 (2). pp. 89-95. ISSN 0960-314X DOI: https://doi.org/10.1097/00008571-200302000-00005 Full text not available from this repository.

Cheung, YB; Khoo, KS; Karlberg, J; Machin, D; (2002) Association between psychological symptoms in adults and growth in early life: longitudinal follow up study. BMJ (Clinical research ed), 325 (7367). p. 749. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.325.7367.749