title: Zoopherin; a nutritional factor for rats associated with animal protein sources.
mesh_terms: D032761:Animal Experimentation; D000818:Animals; D004032:Diet; D011506:Proteins; D051381:Rats; D014357:Trypsin
chemical_list: D011506:Proteins; D014357:Trypsin
keywords: ANIMALS/experimentation; PROTEINS/in diet; TRYPSIN; ZOOPHERIN