Parasite transmission.
D002188:Cannabis; D004029:Dientamoeba; D004404:Dysentery, Amebic; D004757:Enterobius; D006801:Humans; D007411:Intestinal Diseases, Parasitic; D008297:Male; D010123:Oxyuriasis; D012749:Sexually Transmitted Diseases; D019966:Substance-Related Disorders