title: A controlled study of the effect of L-dopa upon selected cognitive and behavioral functions.
mesh_terms: D001519:Behavior / Q000187:drug effects*; D002986:Clinical Trials as Topic; D003071:Cognition / Q000187:drug effects*; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D006801:Humans; D007361:Intelligence Tests; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D004295:Dihydroxyphenylalanine