title: Measurement error--"how much of a difference does it take to make a difference"?
authors.forename: S T
authors.initials: ST
authors.lastname: Wang
authors.forename: C Y
authors.initials: CY
authors.lastname: Chou
mesh_terms: D005260:Female; D015571:Follicular Fluid / Q000000981:diagnostic imaging* / Q000502:physiology; D006801:Humans; D006080:Ovarian Follicle / Q000000981:diagnostic imaging* / Q000502:physiology; D014463:Ultrasonography / Q000379:methods / Q000592:standards*