online cialis When we controlled for these four sexual practices in stratified analyses or by analyzing the strata individually, engaging in no other sexual practice including oral sex, sex with someone the study participant believed was an injection drug user, sex with a larger number of partners of the opposite sex, male homosexual intercourse in exchange for money or drugs, or sex for which the participant gave someone money or drugs was associated with an increased prevalence of HIV infection
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online cialis When we controlled for these four sexual practices in stratified analyses or by analyzing the strata individually, engaging in no other sexual practice including oral sex, sex with someone the study participant believed was an injection drug user, sex with a larger number of partners of the opposite sex, male homosexual intercourse in exchange for money or drugs, or sex for which the participant gave someone money or drugs was associated with an increased prevalence of HIV infection