Al-Waili, B. R., S. K. Zacharias, and E. Aslem. “Group A Streptococcal Pericarditis in a Four-Month-Old Infant : Case Report”. Sultan Qaboos University Medical Journal, vol. 17, no. 2, May 2017, pp. 241-3, doi:10.18295/squmj.2016.17.02.020.