[ON VISION TESTS IN PUBLIC SCHOOL CHILDREN].
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Adolescent↗
Biomedical subjects
R MAYR
Publications and source records attributed to R MAYR.
[ON HEARING TESTS ON PUPILS BEGINNING SCHOOL].
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Audiometry↗
[Permanent refuse or waste products from the viewpoint of federal law on epidemiology and the health office].
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Garbage↗
[A number of words from "siech"-etymological observations on care of the sick].
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Humans↗
[A few histochemical studies on Chievitz's organ].
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Humans↗