Pien F D, Ow C L, Isaacson N S, Goto N T, Rudoy R C
J Clin Microbiol. 1979 Sep;10(3):392-3. doi: 10.1128/jcm.10.3.392-393.1979.
No statistical differences were found in the recovery of group A streptococci from throat culture specimens after overnight incubation of blood agar plates in 5% CO2 compared with anaerobiosis. Anaerobic incubation required many more subcultures and resulted in considerably greater technical time and expense.