Proceedings of the 3rd European workshop on periodontology : Charter House at Ittingen Thurgau, Switzerland, January 30 - February 3, 1999 Implant dentistry
(1999)
International Symposium, Workshop on the Determination of Anti-Epileptic Drugs in Body Fluid (WODADIBOF II). Held in Bethel, Bielefeld, Federal Republic of Germany, 24-25 May, 1974
(1975)