1. Percutaneous antegrade pyelography and trocar nephrostomy in hydronephrosis;Goodwin;Urologists' Correspondence Club letter,1954
2. Pyelography after direct puncture of the renal pelvis;Wickbom;Acta Radiol.,1954
3. The diagnosis of hydronephrosis by percutaneous renal puncture;Weens;J. Urol.,1954
4. Percutaneous antegrade pyelography and hydronephrosis;Casey;J. Urol.,1955
5. Percutaneous antegrade pyelography;Goodwin,1964