Grembowski D, Fiset L, Spadafora A, Milgrom P. Fluoridation effects on periodontal disease among adults. J Periodontal Res. 1993 May;28(3):166-72.
Grembowski D, Fiset L, Spadafora A, Milgrom P. Fluoridation effects on periodontal disease among adults. J Periodontal Res. 1993 May;28(3):166-72.