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Problemi Na Khigienata|January 1, 1981
[Basic work environment factors at the Kremikovtsi Coke Chemical Plant]M Mukhtarova, L Todorova, A Kovachev, et al.
Problemi Na Khigienata|January 1, 1981
[Polarographic method of determining microconcentrations of styrene in the air]E Koen
Problemi Na Khigienata|January 1, 1981
[Gas chromatographic method of determining styrene in blood (the head-space method)]I Benchev, N Rizov
Problemi Na Khigienata|January 1, 1979
[Proteeae enzymes that participate in the amino acid metabolism of food products]R Enikova
Problemi Na Khigienata|January 1, 1988
[Needle-like nonasbestos particles in Bulgarian mineral raw materials]L Mikhaĭlova-Docheva
Problemi Na Khigienata|January 1, 1988
[The noise factor in the manufacture of chocolate and pastry products]D Tsvetkov, F Kalburova
Problemi Na Khigienata|January 1, 1988
[Analysis of the status of the acoustic environment in the cities of the People's Republic of Bulgaria during the 8th 5-Year Plan and the measures for noise limitation and abatement in population centers]M Chuchkova
Problemi Na Khigienata|January 1, 1987
[Economic analysis of morbidity with temporary work incapacity at the Success Industrial Plant of the Union of the Blind in Bulgaria]I Petrov
Problemi Na Khigienata|January 1, 1987
[Dependence of morbidity with temporary work incapacity on a combination of unfavorable occupational factors]N Tsacheva
Problemi Na Khigienata|January 1, 1987
[Health effects of atmospheric pollution in areas of paper-cellulose production and fodder yeast manufacture]K Basmadzhieva, B Nikiforov, S Tabakova, et al.
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