作者: V. Ellerkamp , R. R. Kurth , E. Schmid , S. Zundel , S. W. Warmann
DOI: 10.1007/S00345-015-1645-X
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摘要: Purpose In children, ureteropelvic junction obstruction (UPJO) is mostly caused by intrinsic factors (IUPJO); extrinsic UPJO are rare and often due to crossing vessels (CVs).