Khan, H. .- ullah; Khattak, A. M.; Mahsud, I. .- ullah; Munir, A.; Ali, S.; Khan, M. H.; Saleem, M.; Shah, S. H. IMPACT OF CLASS ATTENDANCE UPON EXAMINATION RESULTS OF STUDENTS IN BASIC MEDICAL SCIENCES. J Ayub Med Coll Abbottabad 2003, 15.