title: Cooperative clinical trials: pride in the past, opportunities for the future.
authors.affiliation: Veterans Affairs Palo Alto Health Care System, CA, USA.
authors.forename: M T
authors.initials: MT
authors.lastname: Hays
mesh_terms: D002986:Clinical Trials as Topic / Q000639:trends*; D003695:Delivery of Health Care; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D008889:Military Personnel; D015337:Multicenter Studies as Topic / Q000639:trends*; D012559:Schizophrenia / Q000188:drug therapy; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy; D014481:United States; D014493:United States Department of Veterans Affairs; D014728:Veterans