Khan MA, Adnan M, Mansor F. FREQUENCY AND FACTORS RESPONSIBLE FOR THE FORMATION OF OROANTRAL COMMUNICATION DURING EXTRACTION OF THE MAXILLARY POSTERIOR TEETH. PODJ [Internet]. 2017Sep.30 [cited 2024Jul.27];37(3):411-5. Available from: https://podj.com.pk/index.php/podj/article/view/48