Handmade loop ligation versus Hem-o-lok clip closure for appendiceal stump management in laparoscopic appendectomy: a propensity score-matched study with direct material cost analysis. - Çakcak A; Erkent M; Kamilova S; Badalov R; Şafak A; Gojayev A; Yıldırım S (BMC surgery, 2026)