title: Radiopacity vs. composition of some barium and strontium glass composites.
authors.forename: D C
authors.initials: DC
authors.lastname: Watts
mesh_terms: D001464:Barium; D055598:Chemical Phenomena; D002621:Chemistry; D003188:Composite Resins; D003287:Contrast Media; D013324:Strontium; D013499:Surface Properties
chemical_list: D003188:Composite Resins; D003287:Contrast Media; D001464:Barium; D013324:Strontium