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Problemi Na Khigienata|January 1, 1989
[Evaluation of occupational risk for workers producing polyvinyl chloride resin pipes, profiles and fixtures]M Nosko, M Spasovski, K Pernov, et al.Problemi Na Khigienata|January 1, 1989
[ECG changes in persons representing present-day professions]Kh Deianov, I Khadzhiolova, L Mincheva, et al.Problemi Na Khigienata|January 1, 1989
[Inhalation treatment of silicosis with Kexiping]T Gurilkov, M StoevskaProblemi Na Khigienata|January 1, 1985
[Glutathione in the blood and dehydrogenase activity in the serum of workers engaged in the manufacture of divinyl (1,3-butadiene)]M Nosko, M KhandzhievaProblemi Na Khigienata|January 1, 1975
[Comparative study of the changes in the EEG and cholinesterase activity in experimental Dipterex poisoning]L Khinkova, F Kaloianova, S Dimov, et al.Problemi Na Khigienata|January 1, 1975
[Metabolism and the dynamics of the urinary excretion of Sayfos in rabbits]N Izmirova, I BenchevProblemi Na Khigienata|January 1, 1975
[Early criteria for the diagnosis of chronic carbon monoxide exposure]Ts Aleksieva, Zh Boiadzhieva, S Ivanova, et al.Problemi Na Khigienata|January 1, 1984
[Joint effect on the body of ultrahigh-frequency electromagnetic energy and noise]M Chuchkova, Iu D Dumanskiĭ, I P Los'Problemi Na Khigienata|January 1, 1984
[Nitrate content in the soils and vegetable crops in the villages of one district]T Kuiumdzhieva, S Danova, L Bozhinova, et al.Pageof 49