TY - RPRT TI - Non-snRNP U1A levels decrease during mammalian B-cell differentiation and release the IgM secretory poly(A) site from repression. AU - Jianglin Ma AU - Samuel I Gunderson AU - Catherine Phillips PY - 2006 DO - 10.1261/rna.2159506 UR - https://pubmed.ncbi.nlm.nih.gov/16373497/ ID - 16373497 ER -