title: What is an open label trial?
authors.affiliation: Centre for Medical and Healthcare Education, St George's, University of London, London, UK p.sedgwick@sgul.ac.uk.
authors.forename: Philip
authors.initials: P
authors.lastname: Sedgwick
mesh_terms: D000997:Antivenins / Q000627:therapeutic use*; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D065008:Scorpion Stings / Q000188:drug therapy*; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D000997:Antivenins; D014665:Vasodilator Agents