TY - JOUR T1 - The quality of mixed methods studies in health services research. JO - J Health Serv Res Policy PY - 2008/04/01 AU - O'Cathain A AU - Murphy E AU - Nicholl J ED - DO - DOI: 10.1258/jhsrp.2007.007074 VL - 13 IS - 2 SP - 92 EP - 98 Y2 - 2024/12/22 ER -