German born Dutch classical scholar (1723-1798)

Specimen medicum inaugurale, de animi pathematum vi et modo agendi in inducendis vel curandis morbis ... / ex auctoritate ... Davidis Ruhnkenii ... pro gradu doctoratus ... eruditorum examini submittit Thomas Cogan.

Dissertatio inauguralis medica de diabete ... / Eruditorum examini subjicit Gerardus Ensering Koesen.

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