TY - RPRT TI - Complement activation in progressive systemic sclerosis. AU - G Senaldi AU - D Vergani AU - A McWhirter AU - C M Black PY - 1987 DO - 10.1016/s0140-6736(87)91698-9 UR - https://pubmed.ncbi.nlm.nih.gov/2883465/ ID - 2883465 ER -