title: Improving recruitment to primary care trials: some lessons from the use of modern marketing techniques.
authors.affiliation: Academic Unit of Primary Medical Care, University of Sheffield, Northern General Hospital, Sheffield, UK. b.colwell@sheffield.ac.uk
authors.forename: Brigitte
authors.initials: B
authors.lastname: Colwell
authors.forename: Nigel
authors.initials: N
authors.lastname: Mathers
authors.forename: Chirk Jenn
authors.initials: CJ
authors.lastname: Ng
authors.forename: Alastair
authors.initials: A
authors.lastname: Bradley
mesh_terms: D000329:Advertising; D003142:Communication; D004739:England; D058006:General Practice; D006801:Humans; D008389:Marketing of Health Services; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic / Q000379:methods*