Bertheim, U.; Engström-Laurent, A.; Hofer, P.- Åke; Hallgren, P.; Asplund, J.; Hellström, S. Loss of Hyaluronan in the Basement Membrane Zone of the Skin Correlates to the Degree of Stiff Hands in Diabetic Patients. Acta Derm Venereol 2002, 82, 329-334.