1. Biological effects of palladium and risk of using palladium in dental casting alloys
2. 2. WP Naylor , Non-Gold Base Dental Casting Alloys: Volume II, USAFSAM-TR-86-5 . Brooks Air Force Base, TX, United States Air Force School of Aerospace Medicine, 1986 , pp109 -115 .
3. 3. WP Naylor : Introduction to Metal Ceramic Technology . St. Louis, MO, Quintessence Publishing Co, 1992 , p37 .
4. Contact stomatitis and dermatitis to nickel and palladium