9[9]Uziel Y, Feldman BM, Krafchik BR,et al. Methotrexate and corticosteroid therapy for pediatric localized scleroderma[J].J Pediatr, 2000,136(1) :91-95.
10[10]Seyger MM, van den Hoogen FH, van Vlijmen-Willems IM, et al.Localized and systemic scleroderma show different histological responses to methotrexate therapy[J].J Pathol, 2001,193 (4) :511-516.