Pilot studies to guide CLSI re-evaluations of S. pneumoniae and ß-haemolytic streptococcal disk diffusion criteria for commonly used penicillins and cephalosporins

Pilot studies to guide CLSI re-evaluations of S. pneumoniae and ß-haemolytic streptococcal disk diffusion criteria for commonly used penicillins and cephalosporins, Lead author: Rhomberg PR, presented at 47th annual Infectious Diseases Society of America (IDSA), October 29 – November 1, 2009, Philadelphia, PA