Septiadi, N. et al. 2026. Effectiveness of Subcutaneous Bupivacaine–Ketamine Wound Infiltration in Reducing Post-Cesarean Section Pain: A Randomized, Double-Blind, Controlled Trial. Frontiers on Healthcare Research. 3, 2 (Aug. 2026), 12–21. DOI:https://doi.org/10.63918/fhr.v3.n2.p12-21.2026.