Authors: PARAZZINI F DORO LC NALDI L BIANCHI C GRAEFEMBERGH S MEZZANOTTE C PANSERA B SCHENA D LAVECCHIA C FRANCESCHI S

Citation: F. Parazzini et al., NUMBER OF SEXUAL PARTNERS, CONDOM USE AND RISK OF HUMAN-IMMUNODEFICIENCY-VIRUS INFECTION, International journal of epidemiology, 24(6), 1995, pp. 1197-1203