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Problemi Na Khigienata|January 1, 1989
[Epidemiological studies of the effect of organophosphate pesticides on health]F Kaloianova, T Verkhieva, V Dincheva, et al.Problemi Na Khigienata|January 1, 1989
[New toxicokinetic exposure tests for metals based on atomic absorption analysis of the nails]Z Zaprianov, D Tsalev, R Georgieva, et al.Problemi Na Khigienata|January 1, 1987
[Virulence of the microbial preparation Bactorodencide for various animal species]Kh Zaĭkov, L Chipilska, S TerzievaProblemi Na Khigienata|January 1, 1985
[Biological activity of Bulgarian zeolite rocks]S Nikolova, R Diakovska, T BurkovaProblemi Na Khigienata|January 1, 1989
[Health status of schoolchildren under five-day-week school program]T Mineva, N Semova, V Spasova, et al.Problemi Na Khigienata|January 1, 1979
[Changes in lipid metabolism in pregnant white rats and their fetuses in inhalational exposure to carbon disulfide]L Balabaeva, S TabakovaProblemi Na Khigienata|January 1, 1988
[Protein fractions in workers with vestibular disorders]A Savov, B Furnadzhiev, A KekhaĭovProblemi Na Khigienata|January 1, 1986
[Comparative analysis of the level and structure of morbidity with temporary loss of work capacity among the blind and seeing workers at the Uspekh enterprises]N TsachevaProblemi Na Khigienata|January 1, 1986
[Individual-based study of morbidity with temporary loss of work capacity in 1 plant over a 3-year period]K Kiriakov, N Tsacheva, I PetrovProblemi Na Khigienata|January 1, 1986
[Effect of drinking water with a high nitrate content on the body in a toxicological experiment]A Strateva, G Gopina, S DinoevaPageof 49