title: A guide to research methodology.
authors.affiliation: Public Health Group, School of Postgraduate Medicine, University of Bath, UK.
authors.forename: P A
authors.initials: PA
authors.lastname: Lewis
authors.forename: E A
authors.initials: EA
authors.lastname: Nelson
mesh_terms: D003625:Data Collection / Q000379:methods*; D003627:Data Interpretation, Statistical; D006801:Humans; D015399:Nursing Research / Q000379:methods; D017712:Peer Review, Research; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D018401:Sample Size