9Younis RT,Lazar RH.History and current practice of tonsillectomy.Laryngoscope,2002,112:3-5.
10Kothari P,Patel S,Brown P,et al.A prospective double-blind randomized controlled trial comparing the suitability of KTP laser tonsillectomy with conventional dissection tonsillectomy for day case surgery.Clin Otolaryngol Allied Sci,2002,27:369-373.