3Trizna Z, Schantz S P, Hsu T C. Effects of N-acetyl-Lsysteine and ascorbic acid on mutagen-induced chromosomal sentsitivity in patients with head and neck cancers. AmJSurg,1991,162:294-298.
4Sturgis E M, Miller R H. Second primary malignancies.in the head and neck cancer patients. Ann Otol Rhinol Laryngol, 1995,104: 946- 954.
5Dhooge I J. Multiple primary malignant tumors in patients study and future perspectives. Laryngoscope,1998,108:250-256.
6黄选兆,汪吉宝,主编.实用耳鼻咽喉科学.北京:人民卫生出版社,1998.389-390.
7Leon X, Quer M,Diez S,et al. Second neoplasm in patients with head and neck cancer. Head Neck, 1999,21:204-210.
8Laccourreye O, Hams S, Garcia D, et al. Metachronous second primary cancer after successful partial laryngectomy for invasive squamous cell carcinoma of the true vocal cord. Ann Otol Rhinol Laryngol, 2002,111 : 204-209.
9Cloos J, Braakhuis B J, Steen I, et al. Increased mutagen sensitivity in head-and-neck squamous-cell carcinoma patients, particularly those with multiple primary tumors. Iht J Cancer,1994,56:816-819.
10Bedi G C, Westra W H, Gabrielson E, et al. Multiple head and neck tumors. Cancer Res, 1996,56: 2484-2487.
