title: Joseph Asbury Bell and the birth of randomized trials.
authors.affiliation: ichalmers@jameslindlibrary.org
authors.forename: Iain
authors.initials: I
authors.lastname: Chalmers
mesh_terms: D049673:History, 20th Century; D010567:Pertussis Vaccine / Q000266:history*; D016032:Randomized Controlled Trials as Topic / Q000266:history*; D014481:United States; D014917:Whooping Cough / Q000266:history* / Q000517:prevention & control
chemical_list: D010567:Pertussis Vaccine