Some Observations on the pH Values of Certain Dentifrices Under Varying Conditions* * From the Chemistry Department, Northwestern University Dental School. Read before the Section on Histology, Physiology, Pathology, Bacteriology and Chemistry (Research) at the Seventy-Sixth Annual Session of the American Dental Association, St. Paul, Minn., Aug. 9, 1934.
Titel:
Some Observations on the pH Values of Certain Dentifrices Under Varying Conditions* * From the Chemistry Department, Northwestern University Dental School. Read before the Section on Histology, Physiology, Pathology, Bacteriology and Chemistry (Research) at the Seventy-Sixth Annual Session of the American Dental Association, St. Paul, Minn., Aug. 9, 1934.