Idhayu, A. T., M. Simadibrata, and G. Amarendra. “Dysphagia As an Early Presenting Symptom in Dermatomyositis”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, vol. 12, no. 1, Jan. 2011, pp. 58-63, doi:10.24871/121201158-63.