Mahdi, A. et al. 2016. Effects of Chitosan and Hyaluronic Acid in Healing of Chemically Induced Oral Ulcer in Rabbits. Kufa Journal For Veterinary Medical Sciences. 7, 2 (Dec. 2016), 138–150. DOI:https://doi.org/10.36326/kjvs/2016/v7i24331.