title: [Effects and side effects of levodopa in parkinsonism - results of a collaborative study. (6) Problems of long-term treatment of levodopa in parkinsoism].
mesh_terms: D006801:Humans; D007980:Levodopa / Q000627:therapeutic use*; D008134:Long-Term Care; D010300:Parkinson Disease / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D007980:Levodopa