[Experiences with dicumarol during pregnancy and lactation].
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Blood Coagulation↗
Biomedical subjects
A ESSER
Publications and source records attributed to A ESSER.
[Historical note on the invention of the ophthalmoscope].
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History, 19th Century↗
[On the date of earliest knowledge of cataract extraction in ancient Greece].
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Cataract↗
[The linguistic change in meaning of glaucoma and Collyrium in the history of medicine].
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Glaucoma↗