Indratomo, M.B. , Astuti, I.A. and Yuza, A.T. 2026. Abbe flap secondary reconstruction of the upper lip defect: A case report. International Journal of Medical and Biomedical Studies. 10, 2 (May 2026), 129–132. DOI:https://doi.org/10.32553/ijmbs.v10i2.3232.