[1] Wider T M. Plast Reconstruct Surg, 1991;88(6):1018~1025
[2] Wyman A. Laser Surg bled. 1992; (12):506~509
[3] Bartel K E, Zediker M S. Photonics. 1993:June:92~97
[4] Voget A. Laser Surg Med. 19921 (11) 0331~340