Rapid, contrast-enhanced, diuretic magnetic resonance imaging of unilateral partial ureteral obstruction - An experimental study in micropigs. - Tzika,A.A.; Thuruker,S.; Hricak,H.; Price,D.C.; Arrive,L.; Aboseif,S.; Engelstad,B.L.; Rector,F.C. (Invest Radiol, 1989)