3Helen S,Jane W,M artin R.W hy choose ceasarean section[J].THELACET,2001,357(24):635-636.
4Jackson T,Iezzi T,Gunderson J,Nagasaka T.&Fritch A.Gender differences in pain perception:the mediating role of self-efficacy beliefs[J].Sex Roles,2002,47(11/12):561-568.
5Larsen KE,O'Hara MW,Brewer KK & Wenzel A.A prospective study of self-efficacy expectancies and labour pain[J].Journal of Reproductive and Infant Psychology,2001,19(3):203-214.
