A. . Ahmed, S. . Nasir, L. . Ali, L. . Shehbaz, M. Z. Aman, and Z. . Ali, “To Determine the Outcome and Progression of Patients Presenting with Acute Severe Asthma at a Tertiary Care Hospital in Karachi, Pakistan”, apmc, vol. 10, no. 4, pp. 257–260, Sep. 2016.