Mohammad Hussain Khan
Department of Community Medicine, Gomal Medical College, Dera Ismail Khan, NWFP, Pakistan
Rasheed Hassan
Department of Community Medicine, Gomal Medical College, Dera Ismail Khan, NWFP, Pakistan
Saeed Anwar
Department of Community Medicine, Gomal Medical College, Dera Ismail Khan, NWFP, Pakistan
Tariq Sohail Babar
Department of Community Medicine, Gomal Medical College, Dera Ismail Khan, NWFP, Pakistan
Khalid Shakeel Babar
Department of Community Medicine, Gomal Medical College, Dera Ismail Khan, NWFP, Pakistan