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TITLE: COBA-Cohort: a prospective cohort of HIV-negative men who have sex with men, attending community-based HIV testing services in five European countries (a study protocol)  Full Text
AUTHORS: Nicolas Lorente; Laura Fernandez Lopez; Ricardo Fuertes; Daniela Rojas Castro; Francois Pichon; Bojan Cigan; Sophocles Chanos; Paula Meireles ; Raquel Lucas ; Stephane Morel; Per Slaaen Kaye; Cristina Agusti; Irena Klavs; Tom Platteau; Jordi Casabona;
PUBLISHED: 2016, SOURCE: BMJ OPEN, VOLUME: 6, ISSUE: 7
INDEXED IN: Scopus WOS CrossRef: 4