2Ely H. Pentoxifylline therapy in dermatology. A review of localized hyperviscosity and its effects on the skin[J]. Dermatol Clin,1988, 6(4): 585-608.
3Chamberlain AJ, Walker NP. Successful palliation and significant remission of cutaneous calcinosis in CREST syndrome with carbon dioxide laser[J]. Dermatol Surg, 2003, 29(9): 968-970.
4Euler HH, Marmont AM, Bacigalupo A, et al. Early recurrence or persistence of autoimmune diseases after unmanipulated autologous stem cell transplantation[J]. Blood, 1996, 88(9): 3621-3625.
