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Problemi Na Khigienata|January 1, 1987
[Determination of the economic effect of optimizing the hospital environment]M Chuchkova, S Toshkov, V UzunovProblemi Na Khigienata|January 1, 1987
[Microclimatic and air ionization problems in electronic telecommunication centers]L Vasileva-Todorova, V TochevaProblemi Na Khigienata|January 1, 1989
[Intrahospital communal and hygienic problems and the construction of health institutions]S Toshkov, M ChuchkovaProblemi Na Khigienata|January 1, 1989
[Changes in the immunological reactivity of young children attending nursery schools with polymer floor covering]D Angelova, M Israel, S Klaĭn, et al.Problemi Na Khigienata|January 1, 1989
[Physiological and hygienic studies of the thermal status of workers engaged in the manufacture of chocolate and other confectionary products]Ts Vodichenska, L PanovaProblemi Na Khigienata|January 1, 1977
[Clincial aspects and treatment of exacerbated chronic respiratory insufficiency in silicosis patients]Kh Tsolov, S Strezov, D Charukchiev, et al.Problemi Na Khigienata|January 1, 1976
[Effect of meteorological factors on the 3,4-benzpyrene concentrations in the ground air layer in the region of the city of Sofia]G Kurchatova, M Teneva, Zh ModevaProblemi Na Khigienata|January 1, 1976
[Ultraviolet radiation in the light microclimate of a city]M ChuchkovaProblemi Na Khigienata|January 1, 1976
[Health status and morbidity in schoolchildren from villages in Silistra and Tutrakan Districts]T Iordanov, T Mineva, A Bozhanov, et al.Problemi Na Khigienata|January 1, 1976
[Age-related characteristics of motor coordination in schoolchildren during dynamic and static work]P KalaĭkovaPageof 49