BARTH, L G The apyrase activity of various protein fractions of the frog's egg. [electronic resource] - Journal of cellular and comparative physiology Oct 1947 - 111-30 p. digital Publication Type: Journal Article ISSN: 0095-9898 Standard No.: 10.1002/jcp.1030300202 doi Subjects--Topical Terms: Antigens, CDApyraseProteins