TY - JOUR T1 - Testing survey methodology to measure patients' experiences and views of the emergency and urgent care system: telephone versus postal survey. JO - BMC Med Res Methodol PY - 2010/06/09 AU - O'Cathain A AU - Knowles E AU - Nicholl J ED - DO - DOI: 10.1186/1471-2288-10-52 VL - 10 SP - 52 Y2 - 2025/11/02 ER -