1. Foreign body in Wharton's duct;Okamura;Okayama-Igakkai Zasshi,1936
2. Salivary calculus containing a foreign body, report of a case;Pilcher;Arch. Otolaryng.,1937
3. Injury with thermometers, question of mercury poisoning;Tammann;Chirurg,1958
4. Distribution of mercury in body of patient wounded in arm by broken thermometer; absence of toxic manifestations; case;Konig;Chirurg,1939
5. Mercury residue in appendix following swallowing of broken thermometer;Trendtel;Kinderärztl. Praxis,1950