Hoornenborg, E., Coyer, L., Achterbergh, R. C. A., Matser, A., Schim van der Loeff, M. F., Boyd, A., van Duijnhoven, Y. T. H. P., Bruisten, S., Oostvogel, P., Davidovich, U., Hogewoning, A., Prins, M., de Vries, H. J. C., & , (2019). sexual behaviour and incidence of HIV and sexually transmitted infections among men who have sex with men using daily and event-driven pre-exposure prophylaxis in AMPrEP: 2 year results from a demonstration study. Lancet, 6(7), e447–e455. http://access.bl.uk/ark:/81055/vdc_100086505102.0x00000b