1. Partial denture problems. The lack of radio-opacity in methylmethacrylate;Atkinson;Aust. J. Dent.,1954
2. Biological assessment of Opex denture base material;Bailey,1976
3. Dangers of radiotranslucent dental plates;Banham;Br. Med. J.,1965
4. Birmingham Evening Mail (1973) 10 December.
5. Incorporation of radiopaque materials into denture plastics;Bursey;US Armed Forces Med. J.,1960