Roux Perrine, Fressard Lisa, Suzan-Monti Marie, Chas Julie, Sagaon-Teyssier Luis, Capitant Catherine, Meyer Laurence, Tremblay Cécile, Rojas-Castro Daniela, Pialoux Gilles, Molina Jean-Michel, Spire Bruno. Is on-demand HIV pre-exposure prophylaxis a suitable tool for men who have sex with men who practice chemsex ? Results from a substudy of the ANRS-IPERGAY trial. Journal of Acquired Immune Deficiency Syndromes - JAIDS. 2018;79(2):69-75.