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RuОбщая гигиена
Материалы по теме
Hygiene. Part 1
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Dobroslavin, Alexei Petrovich (1842-1889). Hygiene. St. Petersburg: The edition of K. L. Rikker, 1889. Part 1. 1889. |
The influence of environmental factors on the incidence of the population of the Vladimir region
Martsev, Anton Andreevich.The influence of environmental factors on the incidence of the population of the Vladimir region.Vladimir, 2015.