Eckes B, Moinzadeh P, Sengle G , Hunzelmann N, Krieg T . Molecular and cellular basis of scleroderma. J Mol Med 2014; 92:4:913-24.
Nihtyanova SI, Brough GM, Black CM, Denton CP. Clinical burden of digital vasculopathy in limited and diffuse cutaneous systemic sclerosis. Ann Rheum Dis 2008;67(1):120-3.
Blagojevic J, Bellando-Randone S, Abignano G, Avouac J, Cometi L, Czirják L, et al. Classification, categorization and essential items for digital ulcer evaluation in systemic sclerosis: a DeSScipher/European Scleroderma Trials and Research group (EUSTAR) survey. Arthritis Res Ther 2019;21(1):35.
Sari-Kouzel H, Hutchinson C,E , Middleton A, Webb F, Moore T, Griffin K, Herrick AL. foot problem in patients with systemic sclerosis. Rheumatology 2001;40(4):410-3.
Poormoghim H, Andalib E, Jalali A, Salimi-Beni M, Ghafarpour GH. Foot pain and lesions in systemic sclerosis: prevalence and association with organ involvement. J Rheum Dis Treat 2019;5:076.
Lamm BM, Stasko PA, Gesheff MG, Bhave A. Normal foot and ankle radiographic angles, measurements, and reference points. J Foot Ankle Surg 2016;55(5):991e998.
Mickle KJ, Munro BJ, Lord SR, Menz HB, Steele JR. Soft Tissue Thickness under the Metatarsal Heads is Reduced in older People with Toe Deformities. J Orthop Res 2011;29(7):1042-6.
Sunderkotter C, Herrgott I, Brückner C, Moinzadeh P, Pfeiffer C, et al. Comparison of patients with and without digital ulcers in systemic sclerosis: detection of possible risk factors. Br J Dermatol 2009;160(4):835-43.
Chao CY, Zheng YP, Cheing GL. Epidermal thickness and biomechanical properties of plantar tissues in diabetic foot. Ultrasound Med Biol 2011;37(7):1029-38.
Hughes M, Bruni C, Cuomo G, Delle Sedie A, Gargani L, Gutierrez M, et al. The role of ultrasound in systemic sclerosis: On the cutting edge to foster clinical and research advancement. J Scleroderma Relat Disord 2021;6(2):123-32.
Akesson A, Hesselstrand R, Scheja A, Wildt M. Longitudinal development of s involvement and reliability of high frequency ultrasound in systemic sclerosis. Ann Rheum Dis 2004;63(7):791-6.
Hesselstrand R, Scheja A, Wildt M, Akesson A. High-frequency ultrasound of skin involvement in systemic sclerosis reflects oedema, extension and severity in early disease. Rheumatology (Oxford) 2008 Jan;47(1):84-7.