Materialy dli︠a︡ istorīi Imperatorskoĭ Sanktpeterburgskoĭ Mediko-Khirurgicheskoĭ Akademīi, vʹpami︠a︡tʹpiatidesi︠a︡tili︠e︡t̄i︠︡ia ei︠a︡ / [Grigory Mikhailovich Prozorov].

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Materialy dli︠a︡ istorīi Imperatorskoĭ Sanktpeterburgskoĭ Mediko-Khirurgicheskoĭ Akademīi, vʹpami︠a︡tʹpiatidesi︠a︡tili︠e︡t̄i︠︡ia ei︠a︡ / [Grigory Mikhailovich Prozorov]. Public Domain Mark. Source: Wellcome Collection.