@misc{indiciae6b7200ded10d, title = {HLA-SD antigens in progressive systemic sclerosis.}, author = {M Giordano and D Magrí and G Valentini and G Tirri and R De Biasi}, year = {1979}, doi = {10.1007/bf00694631}, url = {https://pubmed.ncbi.nlm.nih.gov/526046/}, note = {Source identifier: 526046} }