(Reprint 2019.) [From Public health reports, v. 54, no. 1, Jan. 6, 1939. Address presented at meeting of American Public Health Association, Kansas City, Mo., Oct. 25, 1938, and published in American journal of public health for Dec. 1938.]
Notes:
(Reprint 2019.) [From Public health reports, v. 54, no. 1, Jan. 6, 1939. Address presented at meeting of American Public Health Association, Kansas City, Mo., Oct. 25, 1938, and published in American journal of public health for Dec. 1938.] * For Sale by Superintendent of Documents. Paper, 5c
Availability:
* For Sale by Superintendent of Documents. Paper, 5c