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- 30026824 contributor B759292.
- 30026824 contributor B759293.
- 30026824 created "1930.".
- 30026824 date "1930".
- 30026824 date "1930.".
- 30026824 dateCopyrighted "1930.".
- 30026824 extent "1 p. l., 14 p.".
- 30026824 isPartOf "United States. Public Health Service. Public health reports. Reprint ; 1373.".
- 30026824 issued "1930".
- 30026824 issued "1930.".
- 30026824 language "eng".
- 30026824 publisher "Washington, U.S. Govt. print. off.,".
- 30026824 subject "371.71".
- 30026824 subject "Hearing.".
- 30026824 subject "LB3453 .S8".
- 30026824 subject "School children.".
- 30026824 title "Hearing of school children as measured by the audiometer and as related to school work. A study of 710 children in Washington, D. C., and 1,150 in Hagerstown, Md., by E. Blanche Sterling, acting assistant surgeon, and Elizabeth Bell, occupational therapy aide, United States Public health service ...".
- 30026824 type "text".