TY - RPRT TI - Plasma TGF beta in systemic sclerosis: a cross-sectional study. AU - N Snowden AU - B Coupes AU - A Herrick AU - K Illingworth AU - M I Jayson AU - P E Brenchley PY - 1994 DO - 10.1136/ard.53.11.763 UR - https://pubmed.ncbi.nlm.nih.gov/7826139/ ID - 7826139 ER -