Self-reported altruistic and reciprocal behaviors among homosexually and heterosexually experienced adults: implications for HIV/AIDS service organizations.
Cochran SD, Mays V, Corliss H, Smith TW, Turner J. Self-reported altruistic and reciprocal behaviors among homosexually and heterosexually experienced adults: implications for HIV/AIDS service organizations. AIDS Care. 2009 Jun; 21(6):675-82.