Thachil J V, Struthers N W
Br J Urol. 1983 Apr;55(2):133-5. doi: 10.1111/j.1464-410x.1983.tb06539.x.
Pressures occurring in the upper urinary tract during perfusion and diuresis were compared in an unsedated dog preparation. Perfusion pressures were significantly higher, suggesting that a product of diuresis actively reduces upper tract tone.