title: Overview of research designs.
authors.affiliation: Emergency Department, Southampton General Hospital, UK. janice.mills@suht.swest.nhs.uk
authors.forename: M J
authors.initials: MJ
authors.lastname: Clancy
mesh_terms: D015982:Bias; D015986:Confounding Factors, Epidemiologic; D005069:Evaluation Studies as Topic; D006801:Humans; D011336:Probability; D012107:Research Design