Arshad Ali Shah et al. 2022. Knowledge, attitude, and practice regarding treatment of group a beta hemolytic tonsillo pharyngitis and prevention of rheumatic fever among doctors in Karachi, Pakistan: a perspective study. Journal of the Pakistan Medical Association. 72, 12 (Nov. 2022), 2477–2481. DOI:https://doi.org/10.47391/JPMA.4164.