9Diket AL,Nolan TE.Anxiety and depression.Diagnosis and treatment During pregnancy.The Obstetrics Gynecology Clinics of North America,1997,24 (3):535~558
10Leonarl LG.Depression and anxiety disorders during multiple pregnancy and parenthood.Journal of Obstetrics and Gynecology Neonatal Nursing,1998,27 (3):329~337