Parental presence during induction of anesthesia in children undergoing tonsillectomy and adenoidectomy. - Li X; Qiao XF; Ren PX; Wang GP; Bai YH (European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2023)