TY - RPRT TI - Gene repression by Polycomb group protein complexes: a distinct complex for every occasion? AU - Arie P Otte AU - Ted H J Kwaks PY - 2003 DO - 10.1016/s0959-437x(03)00108-4 UR - https://pubmed.ncbi.nlm.nih.gov/14550408/ ID - 14550408 ER -