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pro vyhledávání: '"S E Startceva"'
Autor:
S E Startceva, N A Krasavina
Publikováno v:
Ekologiya cheloveka (Human Ecology). 25:25-31
Purpose: to study the risk factors of recurrent acute respiratory viral infection (ARVI) in preschool children living in ecologically different districts of Perm. Methods. Retrospectively 710 records of 5-6 year old children with recurrent diseases o