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Okabe A, Ueno M, Tamai K, Sato M, Mikami I, Kono A, Fukai K, Takahashi K, Otaki K, Hasegawa A. [Status of periodontal patients during the initial visit. 3. The status of calculus deposits]. Nihon Shishubyo Gakkai Kaishi. 1986 Jun;28(2):704–19. PMID: 3466979. |