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Problemi Na Khigienata|January 1, 1993
[Skin reactivity and the biological assessment of chromium exposure]N Madzhunov, Z Zaprianov, R GeorgievaProblemi Na Khigienata|January 1, 1993
[The assessment of the occupational risk for skin diseases in workers at the Storgoziia Plant, Pleven]N Madzhunov, M NoskoProblemi Na Khigienata|January 1, 1993
[The direct health effects of air pollution in Vratsa in 1991]S Tabakova, Ts Koleva, P Petrov, et al.Problemi Na Khigienata|January 1, 1993
[An experimental study of the atherogenic effect of the vanadium and nickel contained in drinking water when combined]Ts Vodichenska, B BŭdevaProblemi Na Khigienata|January 1, 1993
[An estimation of the prevalence of risk factors for the cardiovascular system among female telephone operators]E Ivanovich, D KolarovaProblemi Na Khigienata|January 1, 1994
[Methods for determining boron compounds in the air of a work area]V GŭlŭbovaProblemi Na Khigienata|January 1, 1994
[The affective-behavioral orientations of teenagers with an unequal social status]R RuskovaProblemi Na Khigienata|January 1, 1994
[The Healthy Cities Project of the World Health Organization and the approach to its realization]M ChuchkovaProblemi Na Khigienata|January 1, 1994
[An experimental study of the atherogenic effect of vanadium in body uptake with drinking water]Ts VodichenskaProblemi Na Khigienata|January 1, 1994
[An evaluation of the strain in the work of teachers]I Khadzhiolova, L Mincheva, M Topalova, et al.Pageof 49