1. Renal counterbalance;Joelson;Arch. Surg.,1929
2. Operation for the relief of valve formation and stricture of the ureter in hydroor pyonephrosis;Fenger;J. A. M. A.,1894
3. Operation for the relief of valve formation and stricture of the ureter in hydroor pyonephrosis;Fenger;J. A. M. A.,1894
4. A new pyeloureteral plastic for hydronephrosis;Schwyzer;Surg. Clin. No. Amer.,1923
5. Zur Konservatism in der Nieren Chirurgie;Schwyzer;Schweizer Med. Wnchschr.,1931