The effect of topically applied sodium fluoride on dental caries experience
By: by John W. Knutson and Wallace D. Armstrong.
Contributors: Armstrong, Wallace David, 1905-; Galagan, Donald J.; Feldman, Floyd M.
Publisher: U.S. Govt. Print. Off.
Published: 1943
Place of publication: [Washington
Language: eng
Subjects: Fluorides.; Teeth -- Diseases
Notes: Part 4 is by John W. Knutson, Wallace D. Armstrong and Floyd M. Feldman.

Part 5, by Donald J. Galagan and John W. Knutson, has title: The effect of topically applied fluorides on dental caries experience.  It is detached from Public Health Reports, Oct. 10, 1947, vol. 62, no. 41, p. 1477-1483.

Parts 1-4 consist of reprints no. 2524, 2655, 2759, 2780 of the Public Health Reports of the U.S. Public Health Service.

Includes bibliographies.
Table of contents: value: Pt. 1. Report of findings for the first study year.-  Pt. 2. Report of findings for the second study year.-  Pt. 3. Record of findings for the third study year.-  Pt. 4. Report of findings with two, four and six applications.-  Pt. 5. Report of findings with 2, 4 and 6 applications of sodium fluoride and of lead fluoride.