A special study of the vision of school children
By: by Grover A. Kempf, surgeon, Bernard L. Jarman, acting assistant surgeon and Selwyn D. Collins, associate statistician, United States Public health service, <Ed. of 1929>
Contributors: Jarman, Bernard Lipscomb, 1889- joint author.; Collins, Selwyn De Witt, joint author.; United States. Public Health Service.
Publisher: U.S. Govt. print. off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 26
Subjects: Eye -- Diseases.; School hygiene.
Other titles: Study of the vision of school children.
Notes: Reprint no. 1235 from the Public health reports, v. 43, no. 27, July 6, 1928 (p. 1713-1739)
Running title: Study of the vision of school children.