目 錄

中文摘要·····························1
英文摘要··········································3
引言··············································6
正 文·············································7
1 文獻研究··········································7
2 臨床研究·········································17
2.1臨床資料·······································17
2.2研究方法·······································21
3結果············································23
4討論············································27
5存在的問題和展望·································31
結 論··········································33
參考文獻·········································34
附 錄·········································37
綜 述·········································39
致 謝··········································48
攻讀學位期間發(fā)表的學術論文目錄···················48
作者聲明·····································50
個人簡歷·······································51