7Moerkerk PT,Kessels HJ,ten Kate J,et al.Southem and dot blot analysis of DNA from formalin-fixed,paraffin-embedded tissue samples from colonic carcinomas.[J].Vichows Arch B cell Pathol Lncl Mol Pathol,1990,58(5):351.
8Chow WH, Daling JR, Cates W, et al.Epidemilogy of ectopic pregnancy. Epidemiol. Rev,1987,9:70.
9Sweet RL, Gibbs RS. Infecions deseases of the femal genital tracct Baltimore:Williams Wilkins, 1985,18-53.
10Tully JG, Taylor Rodinson D, Lole RM. A newly discovered Mycoplasma in the humanurogenital tract. Lancet, 1981,1:1288-1291.
