title: Trials without placebo controls in pre-IDDM: is there an advantage?
authors.affiliation: Classen Immunotherapies, Inc., Baltimore, Maryland, USA.
authors.forename: J B
authors.initials: JB
authors.lastname: Classen
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D003922:Diabetes Mellitus, Type 1 / Q000517:prevention & control*; D006801:Humans; D010919:Placebos / Q000592:standards*; D014612:Vaccines
chemical_list: D010919:Placebos; D014612:Vaccines