Grube, D [Studies on endocrine cells of gastro-intestinal tract following tryptophan-free diet of amino acids]. [electronic resource] - Verhandlungen der Anatomischen Gesellschaft 1972 - 523-32 p. digital Publication Type: Journal Article ISSN: 0066-1562 Subjects--Topical Terms: Amino AcidsAnimalsChromaffin System--cytologyDietDietary ProteinsDigestive System--cytologyRatsTryptophan