title: [A bacterial enzyme preparation with proteolytic action. VII. Calcium ions as stabilizer of E-30 enzyme solutions].
mesh_terms: D002118:Calcium / Q000494:pharmacology*; D004926:Escherichia coli / Q000201:enzymology*; D010447:Peptide Hydrolases; D011309:Preservation, Biological; D013696:Temperature
chemical_list: D010447:Peptide Hydrolases; D002118:Calcium
vernacular_title: Bakterialen frementen preparat s proteolitichno deĭstvie. VII. Kaltsievite ĭoni kato stabilizator na fermentnite raztvori ot E-30.