A. J. Simpson

DNase Sda1 provides selection pressure for a switch to invasive group A streptococcal infection

Malak Kotb, Ramy K Aziz, V. Nizet, 2007, Nature Medicine.

Group B streptococcus

B. K. English, A. J. Simpson, S. Heard, 1995, The Lancet.

Assessment of two methods for rapid intrapartum detection of vaginal group B streptococcal colonisation.

A. J. Simpson, S. Heard, J. Mawn, 1994, Journal of clinical pathology.

Group B streptococcus

B. K. English, A. J. Simpson, S. Heard, 1995, The Lancet.

Detection of the C protein gene among group B streptococci using PCR.

A. J. Simpson, S. Heard, J. Mawn, 1993, Journal of clinical pathology.

DNase Expression Allows the Pathogen Group A Streptococcus to Escape Killing in Neutrophil Extracellular Traps

Ramy K. Aziz, Malak Kotb, John T. Buchanan, 2006, Current Biology.

Group B streptococcal carriage during pregnancy in Trinidad.

A. J. Simpson, S. Heard, 1995, Journal of Hospital Infection.