Materialy dlia sanitarnoi statistiki Sviiazhskago uiezda : opyt sravnitel'noi demografii Russkoi i Tatarskoi narodnostei : dissertatsiia na stepen' doktora meditsiny / Sergieia Ershova ; tsenzorami dissertatsii, po porucheniiu Konferentsii byli professory A.P. Dobroslavin, I.M. Sorokin i privat dotsent I.A. Verevkin.

Licence: Public Domain Mark

Credit: Materialy dlia sanitarnoi statistiki Sviiazhskago uiezda : opyt sravnitel'noi demografii Russkoi i Tatarskoi narodnostei : dissertatsiia na stepen' doktora meditsiny / Sergieia Ershova ; tsenzorami dissertatsii, po porucheniiu Konferentsii byli professory A.P. Dobroslavin, I.M. Sorokin i privat dotsent I.A. Verevkin. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.