1. On mercury from dental amalgam. Its toxic and allergic effects, and some comments on occupational hygiene;Frykholm;Acta Odontol Scand,1957
2. Amalgam—yesterday, today, and tomorrow;Greener;Oper Dent,1979
3. Ergebnisse klinischer Untersuchungen zur Losung der Amalgam-Quecksilberfrage;Harndt;Deutsche Zahnarztl Wschr,1930
4. Silver dental fillings, the toxic timebomb;Ziff,1984
5. Systemic reactions to silver amalgam fillings;Huggins,1984