TY - JOUR AU - Di Blasi, Z; Harkness, E; Ernst, E; Georgiou, A; Kleijnen, J TI - Influence of context effects on health outcomes: a systematic review JO - Lancet VL - 357 PY - 2001 DO - 10.1016/S0140-6736(00)04169-6 L3 - PubMed-ID: 11253970 SP - 757 EP - 762 ER -