Simadibrata, C. et al. 2026. Effect of Preoperative Lactobacillus acidophilus Supplementation on Postoperative Gastric Residual Volume after Lower Digestive Laparotomy: A Randomized, Double-Blind, Controlled Trial. Frontiers on Healthcare Research. 3, 2 (Aug. 2026), 22–30. DOI:https://doi.org/10.63918/fhr.v3.n2.p22-30.2026.