US, CT, and MR evaluation of accessory renal arteries and proximal renal arterial branches. - Halpern,E.J.; Nazarian,L.N.; Wechsler,R.J.; Mitchell,D.G.; Outwater,E.K.; Levin,D.C.; Gardiner,G.A Jr.; Feldman,H.I. (Acad-Radiol, 1999)