Study design problems of DATATOP study analysis.
Mäki-Ikola
O
O
Heinonen
E
E
D002986:Clinical Trials as Topic; D006801:Humans; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos; D016032:Randomized Controlled Trials as Topic; D012642:Selegiline / Q000627:therapeutic use*; D014810:Vitamin E / Q000627:therapeutic use
D010919:Placebos; D014810:Vitamin E; D012642:Selegiline; D007980:Levodopa