Krastev BP. Laser Apicoectomy with ER:YAG and Bone Xenograft Bio-Oss Collagen®. A Case Report.  J. Dentists [Internet]. 2014 Jul. 25 [cited 2025 Mar. 15];2(2):90-95 . Available from: https://savvysciencepublishers.com/index.php/tjd/article/view/627