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pro vyhledávání: '"J A, Valcik"'
Publikováno v:
Military medicine. 166(9)
An epidemiologic investigation was conducted in response to a case of Legionella pneumonia in a scientist working at a federal research facility. A survey of 80 individuals working at the facility revealed that 13 (16%) had sustained prior infections
Autor:
J. A. Valcik
Publikováno v:
Journal - American Water Works Association. 67:109-113
In recent years, Baltimore's filtration plants have experienced difficulties in their operations as a result of algal blooms in the city's impoundment reservoirs. Correctional treatment in the plants has been costly, and problems of this nature are e