Opyt kolichestvennago opredieleniia mikroorganizmov v vydykhaemom vozdukhie : iz gigienicheskoi laboratorii prof. A.P. Dobroslavina : dissertatsiia na stepen' doktora meditsiny / Iosifa Shablovskago.

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Opyt kolichestvennago opredieleniia mikroorganizmov v vydykhaemom vozdukhie : iz gigienicheskoi laboratorii prof. A.P. Dobroslavina : dissertatsiia na stepen' doktora meditsiny / Iosifa Shablovskago. Public Domain Mark. Source: Wellcome Collection.

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