by Khan, Nawaid Farooque, Hussain Shah, Syed Sagheer, Bokhari, Iram, Mahboob, Samreen, Gulfam, Mansoor Akhtar, Ghayasuddin, Muhammad, Khan, Asadullah, Rasul, Shahid
Published in Journal of the College of Physicians and Surgeons--Pakistan (01.09.2009)