1. Browne, D.: An operation for hypospadias. Proc. roy. Soc. Med. 42, 466–468 (1949)
2. Butcher, E. O.: Hair growth and sebaceous glands in skin transplanted under the skin and into the peritoneal cavity in the rat. Anat. Rec. 96, 101–109 (1946)
3. Davis, J. S., Traut, H. F.: The production of epithelial lined tubes and sacs. An experiental study. J. Amer. med. Ass. 86, 339–341 (1926)
4. Duplay, S.: Arch. gén. Méd. 133, 513 (1874); 145, 257 (1880). Quoted from Mustardé, J. C.: Reconstruction of anterior urethra in hypospadias by buried skin strip method. A simplified and improved technique. Brit. J. plast. Surg. 7, 166–174 (1954–55)
5. Zimches, J. L.: Über das Schicksal des in die tieferen Gewebe frei transplantierten Deckepithels im Zusammenhang mit der Lehre von den Epithelcysten. Frankfurt. Z. Path. 42, 203–227 (1931)