Wu, Ching-Ying Serum heparanase levels: A protective marker against digital ulcers in patients with systemic sclerosis. [electronic resource] - The Journal of dermatology Jun 2015 - 625-8 p. digital Publication Type: Journal Article ISSN: 1346-8138 Standard No.: 10.1111/1346-8138.12842 doi Subjects--Topical Terms: AgedBiomarkers--bloodCase-Control StudiesFemaleFingersGlucuronidase--bloodHumansMaleMiddle AgedProtective FactorsScleroderma, Diffuse--bloodScleroderma, Limited--bloodSkin Ulcer--bloodToes