[Hemangioendothelioma of the nose].
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Biomedical subjects
Publications and source records attributed to A M Shevchenko.
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Biologic action was studied of the silicon nitride powder with varying disperse composition. When producing and using the silicon nitride powder on an enlarged scale one must remember of its higher toxicity and fibrogenicity. There is a need of employing some method of determination of the submicroscopic aerosol disperse composition under industrial conditions.
Dust of mineral wool obtained from ferronickel slags was demonstrated to be capable of inducing moderate pneumofibrosis. Small contents of manganese, nickel, chrome and cobalt in the mineral wool particles necessitate further investigations for their probable mutagenic effect.
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