Quantification of renal medullary perfusion with contrast-enhanced ultrasound:an experi-mental study
XIE Wen-jie1, XING Xiao-wen2, BIN Jian-ping3, XIE Jin-guo3, ZHA Dao-gang3, LIU Yi-li3
Journal of Southern Medical University . 2005, (07): 778 -781 .