Anorectal cancer and homosexuality.
D001005:Anus Neoplasms / Q000139:chemically induced / Q000209:etiology*; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D009821:Oils / Q000009:adverse effects*; D012004:Rectal Neoplasms / Q000139:chemically induced / Q000209:etiology*
D009821:Oils