TY - RPRT TI - Hormonal control of gene expression: differential activation of rat bone marrow RNA polymerases by erythropoietin and testosterone. AU - M Perretta AU - L Valladares AU - F Garrido AU - D Valenzuela AU - U Ludwig PY - 1979 UR - https://pubmed.ncbi.nlm.nih.gov/95387/ ID - 95387 ER -