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Problemi Na Khigienata|January 1, 1991
[Occupational damage to the hearing-vestibular sensory system in exposure to organic solvents]A Savov, L BoevaProblemi Na Khigienata|January 1, 1991
[The health problems related to atmospheric pollution in large industrial regions of Bulgaria]K Basmadzhieva, S TabakovaProblemi Na Khigienata|January 1, 1991
[The health ecology aspects of assessing the quality of the urbanized environment]M ChuchkovaProblemi Na Khigienata|January 1, 1991
[Sanitary chemical research on the atmosphere in wards for cardiac patients]I Popivanova, S Toshkov, A DozovaProblemi Na Khigienata|January 1, 1991
[The assessment of physical work capacity and its dependence on the occupational and individual risk factors of jobs with hypodynamia and neuropsychic stress]L Mincheva, I Khadzhiolova, Kh Deianov, et al.Problemi Na Khigienata|January 1, 1975
[Biological action of cement dust in intraperitoneal and intratracheal tests]K Kolev, G ShumkovProblemi Na Khigienata|January 1, 1975
[Electron microscopic methods of studying pollution in the work environment from submicroscopic aerosols]P ChernevaProblemi Na Khigienata|January 1, 1975
[Trace element and heavy metal content in the basic types of Bulgarian flour]P Khadzhimitsev, Z Pochinkova, D Kepova, et al.Problemi Na Khigienata|January 1, 1975
[Experimental studies of the effect of the restoration of a balanced diet on the endocrine glands injured by food deficits]S KhandzhievProblemi Na Khigienata|January 1, 1975
[Changes in the serum activity of lysosome enzymes in rats after application of the insecticide propoxur (Baygon)]I Apostolov, F Ribarova, V PramatarovaPageof 49