title: Secondary data analysis: is it useful and valid?
authors.affiliation: Day Surgery Center, PACU, St Luke’s Episcopal Hospital, Houston, TX, USA. pwindle@sleh.com
authors.forename: Pamela E
authors.initials: PE
authors.lastname: Windle
mesh_terms: D015400:Clinical Nursing Research / Q000379:methods* / Q000592:standards*; D003627:Data Interpretation, Statistical; D016208:Databases, Factual / Q000592:standards*; D006801:Humans; D015203:Reproducibility of Results