title: Opportunities in phase IV to improve drug development.
authors.affiliation: Georgetown University Medical Center, Washington, D.C., USA.
authors.forename: R
authors.initials: R
authors.lastname: Woosley
mesh_terms: D017327:Clinical Trials, Phase IV as Topic; D017277:Drug Approval; D019981:Health Care Sector; D006801:Humans; D010330:Patents as Topic; D010601:Pharmacology, Clinical; D013997:Time Factors; D014481:United States; D000078329:Workforce