1. McCarthy JG. Introduction to plastic surgery. In: Plastic surgery. Philadelphia, PA: Saunders; 1990. p. 2.
2. Smith ED. Forward to hypospadias surgery. In: Hadidi AT, Azmy A, editors. Hypospadias surgery: an illustrated guide. 1st ed. Berlin, Heidelberg: Springer Verlag; 2004, p. forward.
3. Bussemaker U, Daremberg C. Oeuvres d’Oribase, texte Gre, en grande partie inedit collationnée sur les manuscrits (6 vols), 1851–1876.
4. Galen K. Opera omnia. In: Kuehn KG, editor. Leipzig: C. Cnobloch; 1826. p. 1001–1003.
5. Paré A. The workes of that famous chirurgion Ambroise Parey. Retrosp Rev. 1825;11:46–65.