Yousaf, Mohammad, Sohail Ahmad Malik, and Bakht Zada. 2014. “LASER AND INCISIONAL MYRINGOTOMY IN OTITIS MEDIA WITH EFFUSION-A COMPARATIVE STUDY”. Journal of Ayub Medical College Abbottabad 26 (4):441-3. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/1174.