TY - RPRT TI - Serum contains a platelet-derived transforming growth factor. AU - C B Childs AU - J A Proper AU - R F Tucker AU - H L Moses PY - 1982 DO - 10.1073/pnas.79.17.5312 UR - https://pubmed.ncbi.nlm.nih.gov/6957865/ ID - 6957865 ER -