title: Methodological issues in pragmatic trials of complex interventions in primary care.
authors.forename: Nadine
authors.initials: N
authors.lastname: Foster
authors.forename: Paul
authors.initials: P
authors.lastname: Little
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000379:methods*; D011320:Primary Health Care; D012107:Research Design