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Credit
Materialy dlia farmakologii metilala (methylendimethyläther) eksperimental'noe izsliedovanie : dissertatsiia na stepen' doktora meditsiny / V.L. Tsisvitskago ; tsenzorami dissertatsii, po postanovleniiu Konferentsii, byli professory D.N. Koshlakov, Iu.T. Chudnovskii i dotsent S.A. Popov. 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.