6Mosmann T. Rapid colorimetric assay for cellular growth and survival: Application to proliferation and cytotoxicity assays[J].J Immunol Methods, 1983, 65:55.
7Sargent J,Elgie A, Taylor CG,et al. The identification of drug resistance in ovarian cancer and breast cancer: application of the MTT assay [J].Contrib Gynecol Obstet,1994,1 9:64.
8Suffnees M, Douros J. Current status of the NCI plant and animal product program[J]. J Nat prod, 1982,45(1) :1.
