5Lukaszewicz - Zajac M, Mroczko B, Kozlowski M, et al. Elevated levels of serum metalloproteinase 9 in patients with esophageal squamous cell carcinoma[ J]. Pol Arch Med Wewn ,2009,119 (9) : 558 - 563.
6Li H,Tan G,Jiang X,et al. Therapeutic effects of matrine on pri- mary and metastatic breast cancer[J]. Am J Chin Meal,2010,38(06):1115 -1130.
7Ancell CD, Phipps J, Young L. Thymosin alpha - 1 [ J ]. Am J Health - System Pharmacy,2001,58 (10) : 879 - 885.
8Tadashi Terada. An immunohistochemieal study of primary signet - ring cell carcinoma of the stomach and colorectum :III. expres- sions of EMA, CEA, CA19 - 9, CDX - 2, p53, Ki - 67 antigen, TrF - 1, vimentin, and p63 in normal mucosa and in 42 cases [J]. Int J Clin Exp Pathol,2013,6(4) :630 -638.