title: Editorial.
authors.affiliation: Discovery Chemistry Platforms-Radiochemistry, Bristol-Myers Squibb, P. O. Box 4000, Princeton, NJ, 08543, USA. brad.maxwell@bms.com.
authors.forename: Brad D
authors.initials: BD
authors.lastname: Maxwell
authors.affiliation: Isotope Chemistry, Drug Safety and Metabolism, AstraZeneca, Pepparedsleden 1, SE-431 83, Mölndal, Sweden. Chad.Elmore@astrazeneca.com.
authors.forename: Charles S
authors.initials: CS
authors.lastname: Elmore
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D004339:Drug Compounding / Q000592:standards*; D006801:Humans; D038622:Internationality; D007553:Isotope Labeling / Q000592:standards*; D017410:Practice Guidelines as Topic; D019275:Radiopharmaceuticals / Q000592:standards*
chemical_list: D019275:Radiopharmaceuticals