Simova, E Lactic acid bacteria and yeasts in kefir grains and kefir made from them. [electronic resource] - Journal of industrial microbiology & biotechnology Jan 2002 - 1-6 p. digital Publication Type: Journal Article ISSN: 1367-5435 Standard No.: 10.1038/sj/jim/7000186 doi Subjects--Topical Terms: AerobiosisAnimalsGram-Positive Bacteria--isolation & purificationLactic Acid--metabolismMilk--microbiologyYeasts--isolation & purification