Quantitative Bacteriologic Study of Pulpless Teeth Correlated with Dental Roentgenograms**From the Department of Preventive Medicine, A. O. Smith Corporation.Read before the Section on Histology, Physiology, Pathology, Bacteriology and Chemistry (Research) at the Seventy-Third Annual Session of the American Dental Association, Memphis, Tenn., Oct. 21, 1931.

Cramer, H.C.; Reith, Allan F.

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