Sitaram, N Choline: Selective enhancement of serial learning and encoding of low imagery words in man. [electronic resource] - Life sciences May 1978 - 1555-60 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0024-3205 Standard No.: 10.1016/0024-3205(78)90011-5 doi Subjects--Topical Terms: AdultCholine--pharmacologyFemaleHumansMaleMemory--drug effectsSerial Learning--drug effectsStimulation, Chemical