3Sebahat A. G., Hulusi G.The evaluation of determinants of early postpartum low mood[ J ]. European Journal of Obstetrics & Gynecology and Reproducitve Biology,2000,91(1):21.
4Nagata M., Nagai Y., Sobajima H.,et al. Maternity blues and attachment to children in mothers of full-term normal infants [J].Acta psychiatrica scandinavica,2000,101(3):209.