[Hygienic evaluation of the soil's mineral content in areas of wide-spread endemic pleural calcificates in the People's Republic of Bulgaria].
D000397:Air Pollution; D002031:Bulgaria; D002114:Calcinosis / Q000209:etiology*; D006801:Humans; D008903:Minerals / Q000032:analysis*; D010995:Pleural Diseases / Q000209:etiology*; D012987:Soil / Q000032:analysis*
D008903:Minerals; D012987:Soil
Gigienicheskaia otsenka mineral'nogo sostava pochv v raĭonakh rasprostraneniia éndemicheskikh plevral'nykh kal'tsifikatov v narodnoĭ respublike Bolgarii.