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Problemi Na Khigienata|January 1, 1980
[Occupational injuries to workers in contact with carbon disulfide]Ts Aleksieva, M Dimitrova, G Usheva, et al.Problemi Na Khigienata|January 1, 1980
[Changes in the amounts of incompletely oxidized metabolic products and the pathogenetic mechanisms of experimental vibration exposure]D Tsevtkov, D Charŭkchiev, S KrŭstevaProblemi Na Khigienata|January 1, 1980
[Occupational risk of asbestos injuries among workers in the asbestos cement industry]T Burilkov, L Mikhaĭlova, R Lukanova, et al.Problemi Na Khigienata|January 1, 1980
[Evaluation of the MPEL for SO2 and NO2 and the development of new MPELs for atmospheric pollutants based on modern epidemiological, ecological and toxicological studies]K Basmadzhieva, S Tabakova, B Nikiforov, et al.Problemi Na Khigienata|January 1, 1980
[Hygienic evaluation of the planning and construction of housing complexes]R Mechkuev, M Chuchkova, L Iotov, et al.Problemi Na Khigienata|January 1, 1980
[Changes in arterial elasticity after high-frequency electromagnetic field irradiation]M IzraelProblemi Na Khigienata|January 1, 1980
[Oscillographic studies of the temporal and brachial arteries in bank employees]I DobravolskiProblemi Na Khigienata|January 1, 1980
[Surgical treatment of deep burns of the external ear]I Chervenkov, E VŭglenovaProblemi Na Khigienata|January 1, 1980
[Thermal burns of the scalp in childhood: the characteristics of their course and surgical treatment]Kh BoiadzhievProblemi Na Khigienata|January 1, 1980
[Morphological studies of the small intestine in experimental operations to isolate segments from the digestive tract]A Popov, B PopovPageof 49