Javaid, Arshad, Muhammad Yousaf Khan, Abdul Samad Khan, and Mussarat Shah. “Study of Efficacy and Tolerance of Spiramycine in Acute Bronchitis”. Journal of Postgraduate Medical Institute 12, no. 2 (September 9, 2011). Accessed April 29, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/617.