Randall, David A Use of the Miniarthroscopic Drill in Choanal Atresia Repair: How we do it. [electronic resource] - Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery Jun 1997 - 696-697 p. digital Publication Type: Journal Article ISSN: 1097-6817 Standard No.: 10.1016/S0194-5998(97)70253-5 doi