TY - RPRT TI - Assessing efficiency in the UK breast screening programme: does size of screening unit make a difference? AU - K Johnston AU - K Gerard PY - 2001 DO - 10.1016/s0168-8510(00)00137-8 UR - https://pubmed.ncbi.nlm.nih.gov/11230906/ ID - 11230906 ER -