title: Radiology drugs: R&D continues, approval lags.
authors.forename: A
authors.initials: A
authors.lastname: DeMart
mesh_terms: D004341:Drug Evaluation; D004345:Drug Industry; D011868:Radioisotopes; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D011868:Radioisotopes