[BLINDNESS, ITS CAUSES AND CONTROL].
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Avitaminosis↗
Biomedical subjects
VON BAHR
Publications and source records attributed to VON BAHR.
[WRITING OF SICKNESS CERTIFICATES FOR PARTIAL WORK DISABILITY].
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Disability Evaluation↗
[DETERIORATION OF LICENSURE].
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Emigration and Immigration↗
[VISUAL IMPAIRMENT IN OLD AGE].
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Cataract↗