Zeleneva, N I [Hygienic, clinical and experimental data on the characteristics of magnesite pneumoconiosis]. [electronic resource] - Gigiena truda i professional'nye zabolevaniia Feb 1970 - 21-4 p. digital Publication Type: Journal Article ISSN: 0016-9919 Subjects--Topical Terms: CarbonatesDustEnvironmental ExposureHumansMagnesiumPneumoconiosis--diagnostic imagingRadiographySilicon Dioxide--adverse effectsTime Factors