Semple, Shirley J; Grant, Igor; Patterson, Thomas L (2006) Perceived behavior of others and AIDS risk behavior among heterosexually-identified methamphetamine users. J Psychoactive Drugs Suppl 3:405-13
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Semple, Shirley J; Patterson, Thomas L; Grant, Igor (2004) Determinants of condom use stage of change among heterosexually-identified methamphetamine users. AIDS Behav 8:391-400
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Semple, Shirley J; Patterson, Thomas L; Grant, Igor (2003) Binge use of methamphetamine among HIV-positive men who have sex with men: pilot data and HIV prevention implications. AIDS Educ Prev 15:133-47
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Patterson, Thomas L; Semple, Shirley J (2003) Sexual risk reduction among HIV-positive drug-using men who have sex with men. J Urban Health 80:iii77-87
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Patterson, Thomas L; Shaw, William S; Semple, Shirley J (2003) Reducing the sexual risk behaviors of HIV+ individuals: outcome of a randomized controlled trial. Ann Behav Med 25:137-45
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Semple, S J; Patterson, T L; Grant, I (2003) HIV-positive gay and bisexual men: predictors of unsafe sex. AIDS Care 15:3-15
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Semple, Shirley J; Patterson, Thomas L; Grant, Igor (2002) Motivations associated with methamphetamine use among HIV+ men who have sex with men. J Subst Abuse Treat 22:149-56
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Semple, S J; Patterson, T L; Grant, I (2000) The sexual negotiation behavior of HIV-positive gay and bisexual men. J Consult Clin Psychol 68:934-7
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Semple, S J; Patterson, T L; Grant, I (2000) Psychosocial predictors of unprotected anal intercourse in a sample of HIV positive gay men who volunteer for a sexual risk reduction intervention. AIDS Educ Prev 12:416-30
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Semple, S J; Patterson, T L; Grant, I (2000) Partner type and sexual risk behavior among HIV positive gay and bisexual men: social cognitive correlates. AIDS Educ Prev 12:340-56
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