*, Chi-square test a, Soap, baby oil, Vaseline and petroleum jelly Multivariate logistic regression of risk factors for HIV-1 infection among MSM in Taiwan.
HIV, human immunodeficiency virus; HBsAg, hepatitis B surface antigen; HCV, hepatitis C virus.Factors used for logistic analysis included gender, age, hepatitis B surface antigen (HBsAg) status and an
