title: Designing a research study.
authors: Research Department of Infection and Population Health, UCL Medical School, Royal Free Campus, Rowland Hill Street, London NW3 2PF, UK. c.smith@ucl.ac.uk
authors: C J
authors: CJ
authors: Smith
mesh_terms: D035843:Biomedical Research / Q000379:methods* / Q000458:organization & administration / Q000592:standards*; D003625:Data Collection / Q000379:methods* / Q000592:standards*; D016208:Databases, Factual; D006801:Humans; D010865:Pilot Projects; D012107:Research Design / Q000592:standards*