title: Practical biomedical statistics: a guide to the selection of statistical tests.
authors.affiliation: Division of Urologic Surgery, Washington University School of Medicine, St. Louis, Missouri, USA.
authors.forename: J S
authors.initials: JS
authors.lastname: Wolf
authors.forename: D S
authors.initials: DS
authors.lastname: Smith
mesh_terms: D001699:Biometry; D003933:Diagnosis; D017408:Guidelines as Topic