TY - JOUR T1 - Therapist effects in randomised controlled trials: what to do about them JO - J CLIN NURS PY - 2010/04/01 AU - Walters SJ ED - DO - DOI: 10.1111/j.1365-2702.2009.03067.x VL - 19 IS - 7-8 SP - 1102 EP - 1112 Y2 - 2024/12/26 ER -