Development,Validity and Reliability of Demands Scale of Women of Advanced Maternal Age during Their Second Pregnancy 
LIANG Juan1,LIN Zheng2*,XU Hong1,SUN Hai-yan1,ZHOU Zi-xia1
Chinese General Practice . 2018, (17): 2097 -2100 .  DOI: 10.3969/j.issn.1007-9572.2018.00.038