Presidential address. Parasitology: retrospect and prospect.
D000818:Animals; D002589:Cestoda / Q000033:anatomy & histology / Q000145:classification / Q000502:physiology; D002590:Cestode Infections / Q000635:transmission; D004463:Ecology; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006790:Host-Parasite Interactions; D006801:Humans; D010274:Parasitology / Q000266:history*