Talk:Ralph Frederick Sommer

Latest comment: 15 years ago by Dthomsen8 in topic One of the two leading pioneers in endodontics

One of the two leading pioneers in endodontics

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Sommer was one of the two leading pioneers in the development of endodontics. Who was the other one? --DThomsen8 (talk) 21:53, 5 July 2009 (UTC)Reply