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Problemi Na Khigienata|January 1, 1994
[Granulocyte alkaline phosphatase--a biomarker of chronic benzene exposure]V Khristeva, T MeshkovProblemi Na Khigienata|January 1, 1991
[The effect of the acetanilide herbicide Acetochlor on the cardiovascular system of white rats]G Antov, A Buzidi, N ShumkovProblemi Na Khigienata|January 1, 1991
[The emissions of fiber particles into the atmosphere in the region of an asbestos-processing industry]S DenevaProblemi Na Khigienata|January 1, 1991
[Clinico-allergological studies of workers in the manufacture of fodder yeasts]D Charŭkchiev, R Stefanova, B Petrunov, et al.Problemi Na Khigienata|January 1, 1991
[Changes in the rate and accuracy of information processing in the computer training of middle-grade pupils]V Pisev, N SemovaProblemi Na Khigienata|January 1, 1991
[Changes in the rate and accuracy of information processing in the computer training of upper-grade pupils]V Pisev, N SemovaProblemi Na Khigienata|January 1, 1991
[Experimental data on the biological effect of nickel and lead contained in the drinking water acting in combination]Ts VodichenskaProblemi Na Khigienata|January 1, 1991
[Changes in the frequency spectrum of the heart rhythm under static muscular effort]E Datsov, S DanevProblemi Na Khigienata|January 1, 1987
[Physical work capacity of Bulgarian workers in the Komi ASSR]L Mincheva, I KhadzhiolovaProblemi Na Khigienata|January 1, 1975
[Assessment of the mental load of flight managers and of perforating machine operators by means of measuring the residual mental capacity via the subsidiary task method]P GanchevaPageof 49