KHALID ALMAS; PAKEEZA KHALID; MUHAMMAD S. AL-RUTHEA(Islamabad: Published by Prof Ahmad Iqbal for Pakistan Society for Promotion of Oral & Dental Research, Islamabad, 1993-12-02)
DR. MUHAMMAD YOUSUF; DR. SOHAIL ABBAS KHAN(Islamabad: Published by Prof Ahmad Iqbal for Pakistan Society for Promotion of Oral & Dental Research, Islamabad, 1993-12-04)