Mettrick, D F Effect of zein diets on nitrogen content of Hymenolepis diminuta and on rat liver protein nitrogen. [electronic resource] - The Journal of parasitology Aug 1967 - 688-91 p. digital Publication Type: Journal Article ISSN: 0022-3395 Subjects--Topical Terms: Animal FeedAnimalsLiver--metabolismLysine--metabolismMaleNitrogen--metabolismProteins--metabolismRatsTaenia--metabolismTryptophan--metabolismZein--metabolism