Gigiena i sanitariia
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Gigiena i sanitariia · Nov 1993
[Role of various sanitary and hygienic factors in seasonal morbidity of viral hepatitis A and acute intestinal infections of unknown etiology in Perm].
On the territory of town Perm there are some factors of hygienic, climatic and technical nature which yearly influence microbial pollution of drinking water and seasonal incidence of intestinal infections of obscure etiology. It was shown in several years investigations.