title: Is it ethical to have a placebo arm in reperfusion trials in the 3- to 6-hour time window? No: time frame or time gain?
authors.affiliation: Department of Neurology, University Hospital Erlangen, Erlangen, Germany. martin.koehrmann@uk-erlangen.de
authors.forename: Martin
authors.initials: M
authors.lastname: Köhrmann
authors.forename: Stefan
authors.initials: S
authors.lastname: Schwab
mesh_terms: D000208:Acute Disease; D006801:Humans; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000941:ethics* / Q000379:methods; D020521:Stroke / Q000188:drug therapy*; D015912:Thrombolytic Therapy / Q000941:ethics*; D013997:Time Factors
chemical_list: D010919:Placebos