TY - JOUR T1 - Rethinking pragmatic randomised controlled trials: introducing the "cohort multiple randomised controlled trial" design. JO - BMJ PY - 2010/01/01 AU - Relton C AU - Torgerson D AU - O'Cathain A AU - Nicholl J ED - DO - DOI: 10.1136/bmj.c1066 VL - 340 SP - c1066 Y2 - 2025/07/12 ER -