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Problemi Na Khigienata|January 1, 1987
[Spectral characteristics of dyes--the ultraviolet and visible bands]I Benchev, N Rizov, A KolarskaProblemi Na Khigienata|January 1, 1980
[Gastric secretion of white rats in endotoxic shock]S Zherev, N NikolovProblemi Na Khigienata|January 1, 1975
[Changes in lysosome enzymatic activity during fasting following a regimen of once-a-day or all-day feeding]I Apostolov, L Krustev, V PramatarovaProblemi Na Khigienata|January 1, 1989
[Various occupational diseases of the eyes caused by ultraviolet radiation]V Zlateva, R TonchevaProblemi Na Khigienata|January 1, 1977
[Changes in the urinary excretion of gamma-glutamyltranspeptidase, leucine aminopeptidas and alkaline phosphatase in the combined action of ethylene glycol and high temperature]M KolevaProblemi Na Khigienata|January 1, 1976
[Attempt to assess the effect of atmospheric pollution on human beings and experimental animals via biochemical indices]L BalabaevaProblemi Na Khigienata|January 1, 1976
[Evaluation of the phase changes in cardiac activity in respect of age]N SemovaProblemi Na Khigienata|January 1, 1976
[Seasonal changes in the makeup of the red blood of healthy children]M PetrovaProblemi Na Khigienata|January 1, 1976
[Physical state and the capacity of agricultural machinery operators]L MinchevaPageof 49