TY - JOUR T1 - Structural issues affecting mixed methods studies in health research: a qualitative study. JO - BMC Med Res Methodol UR - http://eprints.whiterose.ac.uk/10267/ PY - 2009/01/01 AU - O'Cathain A AU - Nicholl J AU - Murphy E ED - DO - DOI: 10.1186/1471-2288-9-82 VL - 9 SP - 82 Y2 - 2024/09/20 ER -