6Clements H,Duncan KR,Fielding K,et al.Infants exposed to MRI in utero have a normal paediatric assessment at 9 months of age.The British Journal of Radiology,2000,73:190-194.
7Kok RD,de Vries MM,Heerschap A,et al.Absence of harmful effects of magnetic resonance exposure at 1.5 T in utero during the third trimester of pregnancy:a follow-up study.Magnetic Resonance Imaging,2004,22:851-854.
8Leyendecker JR,Gorengaut V,Brown JJ.MR imaging of maternal diseases of the abdomen and pelvis during pregnancy and the immediate postpartum period.Radiographics,2004,24:1301-1316.
9Crook N,Robinson L.A review of the safety implications of magnetic resonance imaging at field strengths of 3 Tesla and above.Radiography,2009,15:351-356.
10Okazaki O,Murayama N,Masubuchi N,et al.Placental transfer and milk secretion of gadodiamide injection in rats.Arzneimittelforschung,1996,46:83-86.