title: Clinical significance and type II errors under the magnifying lens.
authors.forename: Caraciolo J
authors.initials: CJ
authors.lastname: Fernandes
authors.forename: E O'Brian
authors.initials: EO
authors.lastname: Smith
mesh_terms: D002406:Catheterization, Peripheral / Q000379:methods*; D015987:Effect Modifier, Epidemiologic; D006801:Humans; D007231:Infant, Newborn; D007909:Lenses; D013223:Statistics as Topic; D014469:Umbilical Arteries