Event-level case-crossover analysis of drug use and sexual risk in men who have sex with men in England

G Melendez-Torres ; F Hickson ; D Reid ; P Weatherburn ; C Bonell ; (2014) Event-level case-crossover analysis of drug use and sexual risk in men who have sex with men in England. HIV medicine, 15. pp. 80-81. ISSN 1464-2662 https://researchonline.lshtm.ac.uk/id/eprint/1726178