title: Neuroprotective trials: no longer a cautious optimism.
authors.forename: Joseph H
authors.initials: JH
authors.lastname: Friedman
mesh_terms: D002202:Capital Financing / Q000191:economics*; D002986:Clinical Trials as Topic / Q000191:economics*; D015259:Dopamine Agents / Q000191:economics* / Q000627:therapeutic use*; D006801:Humans; D018696:Neuroprotective Agents / Q000191:economics* / Q000627:therapeutic use*; D010300:Parkinson Disease / Q000188:drug therapy* / Q000191:economics*
chemical_list: D015259:Dopamine Agents; D018696:Neuroprotective Agents