1Jeanty P. Persistent right umbilical vein: an ominous prenatal finding? Radiology, 1990,177 : 735-738.
2De Carte L, Osmanagaoglu K, De Schriiver I. Persistent right umbilical vein in trisomy 18: sonographic observation. J Ultrasound Med, 1998,17:775-779.
6Hoehn T, Lueder M, Sehmidt KG, et al. Persistent right umbilical vein associated with complex congenital cardiac malformation[J]. Am J Perinatol, 2006, 23(3): 181-182.