title: Psychic symptoms in levodopa treatment of Parkinsons' disease. II.
mesh_terms: D000368:Aged; D003863:Depression / Q000139:chemically induced* / Q000378:metabolism; D004295:Dihydroxyphenylalanine / Q000009:adverse effects* / Q000378:metabolism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D004295:Dihydroxyphenylalanine