Past Issue
/ Vol. 11, No. 6
/ June 2005
/ EID Home | / Ahead of Print | ... By using a battery of tests, for example, β-hemolysis on blood agar, Gram stain, catalase production, pyrrolidonyl
arylamidase, presence of Group A...
http://www.cdc.gov/NCIDOD/EID/vol11no06/04-1247.htm