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Senator Keon examines his scars.
Witzke RW. Witzke RW. CMAJ. 1991 May 1;144(9):1107. CMAJ. 1991. PMID: 2018954 Free PMC article. No abstract available.
What kind of customer is the dentist?
Witzke RA. Witzke RA. Dent Lab Rev. 1980 Sep;55(10):14-6. Dent Lab Rev. 1980. PMID: 6938449 No abstract available.