Nedachin A E, Doskina T V, Skovorodin A N, Korovko V G, Vasiléva V I, Astratian A A
Gig Sanit. 1993 Nov(11):18-20.
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.
在彼尔姆市境内,存在一些卫生、气候和技术方面的因素,这些因素每年都会影响饮用水的微生物污染以及病因不明的肠道感染的季节性发病率。这是经过数年调查得出的结论。