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	1.	Heterosexual anal intercourse: prevalence, cultural factors, and HIV infection and other health risks, Part I. [electronic resource] by Halperin, D T Producer: 20000418 In: AIDS patient care and STDs vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Dry sex practices and HIV infection in the Dominican Republic and Haiti. [electronic resource] by Halperin, D T Producer: 20000413 In: Sexually transmitted infections vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Male circumcision and HIV infection: 10 years and counting. [electronic resource] by Halperin, D T Bailey, R C Producer: 19991210 In: Lancet (London, England) vol. 354 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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