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Problemi Na Khigienata|January 1, 1979
[Morphological and histochemical changes in rabbits living for various times in the vicinity of cement factories in the villages of Beli Izvor and Zlatna Panega]S DinoevaProblemi Na Khigienata|January 1, 1979
[New sorbents for industrial gas marks with a visual reading of their depletion]D Zhecheva, M Ivanov, G Mikhaĭlov, et al.Problemi Na Khigienata|January 1, 1979
[Noise characteristics of the basic types of housing construction]S Maksimov, R BerekhaProblemi Na Khigienata|January 1, 1996
[The toxicological characteristics of Gastrofenzin. IV. Its gonadotropic action]P Ilieva, L Ivanova-Chemishanska, G AntovProblemi Na Khigienata|January 1, 1996
[A membrane filter sampling method for determining microbial air pollution]P Cherneva, A KiranovaProblemi Na Khigienata|January 1, 1996
[Changes in the humoral immune response in occupational exposure to metal aerosols]I Altŭnkova, M Koleva, Iu Rangachev, et al.Problemi Na Khigienata|January 1, 1996
[The communal hygiene problems of hospital institutions]S Toshkov, M Chuchkova, T TeofilovaProblemi Na Khigienata|January 1, 1996
[The physical capacity of Bulgarian boys from homes for children and youth]Iu BalichevProblemi Na Khigienata|January 1, 1996
[The microclimate conditions of the environment for treating patients in hospital clinics and wards (a review)]S ToshkovProblemi Na Khigienata|January 1, 1996
[The general and specific mechanisms of adaptation of the body to extreme exposures]T Sachanska, Kh Kharalanov, K KlausenPageof 49