title: Evaluating complex interventions.
authors.forename: Kate
authors.initials: K
authors.lastname: Seers
mesh_terms: D000047:Academies and Institutes; D019317:Evidence-Based Medicine / Q000458:organization & administration*; D017408:Guidelines as Topic; D006302:Health Services Research; D006801:Humans; D008137:Longitudinal Studies; D015399:Nursing Research / Q000458:organization & administration*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012107:Research Design / Q000592:standards*; D006113:United Kingdom