title: NIH inquiry fails to find culprit of contamination.
authors.forename: M
authors.initials: M
authors.lastname: Wadman
mesh_terms: D005260:Female; D006801:Humans; D009316:National Institutes of Health (U.S.) / Q000331:legislation & jurisprudence*; D016273:Occupational Exposure; D010761:Phosphorus Radioisotopes / Q000506:poisoning*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology; D014481:United States; D014881:Water Supply
chemical_list: D010761:Phosphorus Radioisotopes