4Havas T, Lowinger D. Obstructive adenoid tissue:an indication for powered- shaver adenoidectomy. Arch Otolaryngol Head Neck Surg, 2002, 128(7): 789.
5Windfuhr JP, Chen YS. Incidence of post-tonsillectomy hemorrhage in children and adults: a study of 4, 848 patients. Ear Nose Throat J, 2002, 81(9):626-628.