1. Group A streptococcal infections: guidance and data,2018
2. Invasive group A streptococcal disease (iGAS),2017
3. Invasive group A streptococcal disease: risk factors for adults;Factor;Emerg Infect Dis,2003
4. Public Health England. Hot TOPICS. The why, where & who of invasive Group A streptococcal infections;Ready,2019
5. M Protein Gene (emm) typing,2018