Letter: Parasites in orphans from South Vietnam.
D002170:Canada; D002648:Child; D002674:Child, Institutionalized; D004641:Emigration and Immigration; D005243:Feces / Q000469:parasitology; D006801:Humans; D010271:Parasites / Q000302:isolation & purification*; D014744:Vietnam / Q000208:ethnology