TY - GEN AU - Schmidt,Axel Jeremias AU - Altpeter,Ekkehardt TI - The Denominator problem: estimating the size of local populations of men-who-have-sex-with-men and rates of HIV and other STIs in Switzerland SN - 1472-3263 PY - 2019///1104 KW - Adolescent KW - Adult KW - Demography KW - Gonorrhea KW - etiology KW - HIV Infections KW - epidemiology KW - Hepatitis C KW - Homosexuality, Male KW - Humans KW - Male KW - Mass Screening KW - methods KW - Middle Aged KW - Prevalence KW - Sexually Transmitted Diseases KW - Surveys and Questionnaires KW - Switzerland KW - Syphilis KW - Young Adult N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/sextrans-2017-053363 ER -