Khan, Muhammad Hussain, and Arshad Javaid. “BRONHODILATOR RESPONSE TO NEBULIZED SALBUTAMOL IN ELDERLY PATIENTS WITH STABLE C.O.P.D”. Journal of Postgraduate Medical Institute 21, no. 3 (August 12, 2011). Accessed April 29, 2024. https://www.jpmi.org.pk/index.php/jpmi/article/view/200.