Zafar Mahmood, Ikram Ullah, Sohail Tirmizi, Mohammad Yousuf, Zubair Anwar, Hammad Raza. “Prevalence of Group A Beta Hemolytic Streptococcus Related Pharyngitis in Pakistan”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 07, Aug. 2022, p. 334, doi:10.53350/pjmhs22167334.