Christen-Zaech, S.; Seshadri, R.; Sundberg, J.; Paller, A.; Pachman, L. Juvenile Dermatomyositis: Nailfold Capillaroscopy Changes, Baseline Predictors and Disease Course over 36 Months. Eur. J. Pediat. Dermatol. 2008, 18, 105-108.