Subjects: Cross-Sectional Studies / Authors: Cohn, Hermann, 1838-1906 - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Cross-Sectional Studies ✖ Authors Cohn, Hermann, 1838-1906 ✖

1. The occurrence of myopia among school children: translated from the German of Dr. Hermann Cohn's work on "Hygiene of the eyes"

Author(s):: Cohn, Hermann, 1838-1906
Publication:: [Chicago? : s.n., 1893?]
Subject(s):: Myopia -- epidemiology
Myopia -- prevention & control
Child
Cross-Cultural Comparison
Cross-Sectional Studies
Prevalence
Schools