Bector, Aditi, Pawandeep Virk, and Gururaj Arakeri. “Chemical Facial Cellulitis Due to Inadvertent Injection of Formalin into Oral Tissue Space”. Clinics and Practice 5, no. 4 (December 30, 2015). Accessed December 12, 2019. https://www.clinicsandpractice.org/index.php/cp/article/view/810.