Satishkumar Vaidya, V., Panchal, H. and Jha, S. 2025. Comparative study of onlay versus preperitoneal mesh repair in umbilical hernia: a prospective observational analysis. International Surgery Journal. 12, 9 (Aug. 2025), 1464–1467. DOI:https://doi.org/10.18203/2349-2902.isj20252676.