PILGRIM, F J The role of amino acid supplementation and dietary protein level in serial learning performance of rats. [electronic resource] - Journal of comparative and physiological psychology Feb 1951 - 26-36 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0060148 doi Subjects--Topical Terms: Amino AcidsAnimalsDietDietary ProteinsLearningProteinsRatsSerial Learning