Hepatitis C Virus Transmission Among Men Who Have Sex With Men in Amsterdam: External Introductions May Complicate Microelimination Efforts. - Koopsen, Jelle; Parker, Edyth; Han, Alvin X; van de Laar, Thijs; Russell, Colin; Hoornenborg, Elske; Prins, Maria; van der Valk, Marc; Schinkel, Janke (Clinical Infectious Diseases, 2021)