Yamakage, A., Uchiyama, Y., Nihei, Y. and Ishikawa, H. (1985) “Glycosaminoglycan alteration in the skin of children with classical Ehlers-Danlos syndrome”, Acta Dermato-Venereologica, 65(6), pp. 489–494. doi: 10.2340/0001555565489494.