Sexual behaviour patterns and STI risk: results of a cluster analysis among men who have sex with men in Portugal
Karel Blondeel, Sonia Dias, Martina Furegato, Armando Seuc, Ana Gama, Ricardo Fuertes, Luís Mendão, Marleen Temmerman, Igor Toskin
BMJ Open Jan 2021, 11 (1) e033290; DOI: 10.1136/bmjopen-2019-033290