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anal sex


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anal sex

Increased HIV-1 Activity in Anal High-Grade Squamous Intraepithelial Lesions Compared With Unaffected Anal Mucosa in Men Who Have Sex With Men

Risk Factors for Anal HPV Infection and Anal Precancer in HIV-Infected Men Who Have Sex With Men

Bacterial communities in meerkat anal scent secretions vary with host sex, age, and group membership

High Resolution Anoscopy Findings for Men Who Have Sex with Men: Inaccuracy of Anal Cytology as a Predictor of Histologic High-Grade Anal Intraepithelial Neoplasia and the Impact of HIV Serostatus

Frequency of Occult High-Grade Squamous Intraepithelial Neoplasia and Invasive Cancer within Anal Condylomata in Men Who Have Sex with Men

HAART and Progression to High-Grade Anal Intraepithelial Neoplasia in Men Who Have Sex with Men and Are Infected with HIV

Prevention of Recurrent High-Grade Anal Neoplasia With Quadrivalent Human Papillomavirus Vaccination of Men Who Have Sex With Men: A Nonconcurrent Cohort Study

High Rates of Incident and Prevalent Anal Human Papillomavirus Infection Among Young Men Who Have Sex With Men

Prevalence of and Risk Factors for Anal Human Papillomavirus Infection in Men Who Have Sex with Women: A Cross-National Study

Human Papillomavirus Genotype Attribution and Estimation of Preventable Fraction of Anal Intraepithelial Neoplasia Cases Among HIV-Infected Men Who Have Sex With Men

Possible Coding for Recognition of Sexes, Individuals and Species in Anal Gland Volatiles of Mustela eversmanni and M. sibirica

Age-Specific Prevalence of Anal Human Papillomavirus Infection in HIV-Negative Sexually Active Men Who Have Sex with Men: The EXPLORE Study

Prevalence and Correlates of Heterosexual Anal and Oral Sex in Adolescents and Adults in the United States

What Drives the Number of High-Risk Human Papillomavirus Types in the Anal Canal in HIV-Positive Men Who Have Sex With Men?

Age-Specific Prevalence of and Risk Factors for Anal Human Papillomavirus (HPV) among Men Who Have Sex with Women and Men Who Have Sex with Men: The HPV in Men (HIM) Study

Increasing prevalence of HIV and syphilis but decreasing rate of self-reported unprotected anal intercourse among men who had sex with men in Harbin, China: results of five consecutive surveys from 2006 to 2010

 

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Quick Reference

Sexual intercourse consisting of insertion of the penis through the anal sphincter into the partner's rectum. This form of intercourse is used mainly by male homosexuals and sometimes by heterosexual couples to avoid risking pregnancy or vary sexual pleasure. It can be a way to transmit sexually transmitted diseases, including HIV infection. See also bareback.

Subjects: Public Health and Epidemiology.


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