Bo, Q. ., Lü, J. ., Wang, Y. ., Hu, Y. ., Tang, S. ., & Yang, B. . (1969). Application of Local Flaps in Repairing Total and Near-Total Lower Lip Defects of Young Patients. The Journal of Craniofacial Surgery, 32(5), 1860-1863. https://doi.org/10.1097/SCS.0000000000007350 (Original work published 1969)