3Atasoy E, loakimidis E, Kasdan ML. Reconstraction of the amputated finger tip with a triangular volar flap. A new surgical procedure. J Bone Joint Surg Am, 1970,52:921-926.
4Hallock GG. Direct and indirect perforator flaps: the history and the controversy. Plast Reconstr Surg, 2003,111: 855-865.