RT Book, Section A1 Powell, Dwight A. A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7028298 T1 Chapter 287. Nongroup A or B Streptococcus T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7028298 RD 2024/04/23 AB Nongroup A or B streptococci are a diverse group of gram-positive microorganisms that may be commensal or may be associated with severe, even life-threatening, infections.