Hammack, PL;    Toolis, EE;    Wilson, BDM;    Clark, RC;    Frost, DM;      (2019)    Making Meaning of the Impact of Pre-Exposure Prophylaxis (PrEP) on Public Health and Sexual Culture: Narratives of Three Generations of Gay and Bisexual Men.                   Archives of Sexual Behavior , 48  (4)   pp. 1041-1058.    10.1007/s10508-019-1417-6 <https://doi.org/10.1007/s10508-019-1417-6>.       Green open access