A tribute from Professor Dag Ørstavik, Head - Department of Endodontics, Institute for Clinical Dentistry, University of Oslo, Oslo, Norway.
D035843:Biomedical Research; D003764:Dental Materials / Q000266:history; D004708:Endodontics / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans
D003764:Dental Materials