TY - RPRT TI - PCNA immunostaining in breast cancer. AU - M C Cummings AU - C M Furnival AU - P G Parsons AU - E Townsend PY - 1993 DO - 10.1111/j.1445-2197.1993.tb00471.x UR - https://pubmed.ncbi.nlm.nih.gov/8101708/ ID - 8101708 ER -