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Problemi Na Khigienata|January 1, 1996
[The toxicological characteristics of Gastrofenzin. I. Its acute toxicity (oral, subcutaneous and intravenous)]Zh Khalkova, Kh Zaĭkov, G Antov, et al.Problemi Na Khigienata|January 1, 1996
[The toxicological characteristics of Gastrofenzin. III. Its chronic oral toxicity]G Antov, Kh Zaĭkov, A Mikhaĭlova, et al.Problemi Na Khigienata|January 1, 1991
[Damages to the ears, nose and throat in copper production]A SavovProblemi Na Khigienata|January 1, 1991
[A soils study in the ecological reserve of Paragalitsa--the Rila Mountains]T KuiumdzhievaProblemi Na Khigienata|January 1, 1991
[The potentials for errors in the hygienic assessment of the general vibrations in tractors]E Ivanovich, L Goranova, S EnevProblemi Na Khigienata|January 1, 1991
[The level of mercapturic acids in the urine of workers in the petroleum refining industry]I Benchev, V Khristeva, M MukhtarovaProblemi Na Khigienata|January 1, 1988
[The structure, functions and classification of mental states and their study in work activities]P GanchevaProblemi Na Khigienata|January 1, 1985
[Comparative data on the glutathione and methemoglobin levels in the blood of pregnant and nonpregnant white rats inhaling NO2]L Balabaeva, S TabakovaProblemi Na Khigienata|January 1, 1985
[Changes in the physical environmental factors in modern buildings related to the use of polymeric construction materials]L LozanovProblemi Na Khigienata|January 1, 1985
[Physical work capacity under different levels of measured stress in relation to type-A personality in intellectual workers]L Mincheva, N Tsaneva, I Khadzhiolova, et al.Pageof 49