title: Childhood play behavior of homosexual and heterosexual men.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005500:Follow-Up Studies; D005783:Gender Identity; D006716:Homosexuality; D006801:Humans; D008297:Male; D010988:Play and Playthings