TY - JOUR T1 - A system-wide approach to explaining variation in potentially avoidable emergency admissions: national ecological study. JO - BMJ Qual Saf UR - http://eprints.whiterose.ac.uk/114903/ PY - 2014/01/01 AU - O'Cathain A AU - Knowles E AU - Maheswaran R AU - Pearson T AU - Turner J AU - Hirst E AU - Goodacre S AU - Nicholl J ED - DO - DOI: 10.1136/bmjqs-2013-002003 VL - 23 IS - 1 SP - 47 EP - 55 Y2 - 2025/05/19 ER -