Heydari-Kamjani, M., J. Forbes, L. Issac, M. D. Beckler, and M. M. Kesselman. “A Report of Seronegative Clinically Amyopathic Dermatomyositis”. International Journal of Research in Dermatology, vol. 7, no. 1, Dec. 2020, pp. 123-5, doi:10.18203/issn.2455-4529.IntJResDermatol20205607.