Grieve, Richard; Hutchings, Andrew; Moler Zapata, Silvia; O’Neill, Stephen; Lugo-Palacios, David G; Silverwood, Richard; Cromwell, David; Kircheis, Tommaso; Silver, Elizabeth; Snowdon, Claire; +6 more... Charlton, Paul; Bellingan, Geoff; Moonesinghe, Ramani; Keele, Luke; Smart, Neil; Hinchliffe, Robert; (2023) Clinical effectiveness and cost-effectiveness of emergency surgery for adult emergency hospital admissions with common acute gastrointestinal conditions: the ESORT study. Health and Social Care Delivery Research, 11 (1). pp. 1-132. ISSN 2755-0060 DOI: https://doi.org/10.3310/czfl0619

Moler Zapata, S; (2023) Methods to address confounding and heterogeneity in cost-effectiveness analyses using real-world data. PhD thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04671315

Hutchings, A; O'Neill, S; Lugo-Palacios, D; Moler Zapata, S; Silverwood, R; Cromwell, D; Keele, L; Bellingan, G; Moonesinghe, SR; Smart, N; +2 more... Hinchliffe, R; Grieve, R; (2022) Effectiveness of emergency surgery for five common acute conditions: an instrumental variable analysis of a national routine database. Anaesthesia, 77 (8). pp. 865-881. ISSN 0003-2409 DOI: https://doi.org/10.1111/anae.15730

Hutchings, Andrew; Moonesinghe, Ramani; Moler Zapata, Silvia; Cromwell, David; Bellingan, Geoff; Vohra, Ravinder; Moug, Susan; Smart, Neil; Hinchliffe, Robert; Grieve, Richard; (2022) Impact of the first wave of COVID-19 on outcomes following emergency admissions for common acute surgical conditions: analysis of a national database in England. British Journal of Surgery, 109 (10). pp. 984-994. ISSN 0007-1323 DOI: https://doi.org/10.1093/bjs/znac233

Hutchings, Andrew; Moler Zapata, Silvia; O'Neill, Stephen; Smart, Neil; Cromwell, David; Hinchliffe, Robert; Grieve, Richard; (2021) Variation in the rates of emergency surgery amongst emergency admissions to hospital for common acute conditions. BJS open, 5 (6). ISSN 2474-9842 DOI: https://doi.org/10.1093/bjsopen/zrab094