title: Radiopacity of glass: does the lead content matter?
mesh_terms: D002170:Canada; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D005898:Glass / Q000737:chemistry*; D006801:Humans; D007854:Lead / Q000032:analysis*; D008318:Malpractice / Q000331:legislation & jurisprudence*; D011859:Radiography
chemical_list: D007854:Lead