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Credit
K voprosu o vliianii siernago efira na otpravleniia zheludka zdorovago chelovieka : dissertatsiia na stepen' doktora meditsiny / Nikolaia Gur'eva ; tsenzorami dissertatsii, po porucheniiu Konferentsii, byli professora V.A. Manassein, Iu.T. Chudnovskii i ch. prepod. F.I. Pasternatskii. Public Domain Mark. Source: Wellcome Collection.
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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.