by Khan, Muhammad Farhan, Khan, Muhammad Shahzeb, Bawany, Faizan Imran, Dar, Mudassir Iqbal, Hussain, Mehwish, Farhan, Saima, Fatima, Kaneez, Hamid, Khizar, Arshad, Mohammad Hussham, Aziz, Maira, Siddiqi, Uswah, Aziz, Nashit Irfan, Musharraf, Muhammad Bazil, Khan, Abdul Bari
Published in Global journal of health science (25.06.2015)