Havránková, J [Serum lysozyme and copper levels in rats after the administration of dust]. [electronic resource] - Bratislavske lekarske listy Feb 1990 - 111-4 p. digital Publication Type: English Abstract; Journal Article ISSN: 0006-9248 Subjects--Topical Terms: AnimalsCoalCopper--bloodDustLung--pathologyMaleMuramidase--bloodRatsRats, Inbred StrainsSilicon Dioxide--administration & dosageTitanium--administration & dosage