1. Urethrography in the male with a highly viscous water soluble contrast medium, umbradil viscous U;Morales;Acta Radiol.,1952
2. Lower urinary tract resistance: pressure-flow relationships;Pierce;J. Urol.,1965
3. Some theoretical aspects of urethral resistance;Smith;Invest. Urol.,1964
4. Analysis of micturition: a new method of recording the voiding of the bladder;von Garrelts;Acta Chir. Scand.,1957
5. The pressure-flow study: a method for measuring bladder neck resistance;Gleason;J. Urol.,1962