Safe delivery of cold light to the endoscope during elective laparoscopic cholecystectomy: assessment of human factors. - Prete FP; Luca GM; Di Meo G; Malerba S; Pasculli A; Pastoressa V; Pontrelli A; Puglisi GR; Sgaramella LI; Testini C; Vittore F; Covelli M; et al. (BMC health services research, 2026)