| phenotypes of macrolide resistance of group a streptococci isolated from outpatients in bavaria and susceptibility to 16 antibiotics. | the purpose of the present study was to determine the antimicrobial resistance among streptococcus pyogenes in bavaria, germany. five hundred and forty isolates of s. pyogenes were collected from patients with tonsillopharyngitis. of these, 425 isolates were obtained from children and 115 from adult patients. all isolates were tested for susceptibility to macrolides, clindamycin, penicillin and 10 other commonly prescribed antimicrobial agents, using broth microdilution tests. all isolates were ... | 2003 | 12493787 |