Observations on the nutrition of digenetic trematodes.
D000818:Animals; D004063:Digestion; D004064:Digestive System / Q000033:anatomy & histology; D004068:Digestive System Physiological Phenomena; D005210:Fasciola hepatica / Q000502:physiology*; D006651:Histocytochemistry; D009747:Nutritional Physiological Phenomena; D012547:Schistosoma / Q000502:physiology*; D014200:Trematoda / Q000502:physiology*