title: Mokken scaling of the Epworth Sleepiness Scale items in patients with the sleep apnoea/hypopnoea syndrome.
authors.forename: R
authors.initials: R
authors.lastname: Kingshott
authors.forename: N
authors.initials: N
authors.lastname: Douglas
authors.forename: I
authors.initials: I
authors.lastname: Deary
mesh_terms: D006970:Disorders of Excessive Somnolence / Q000175:diagnosis*; D006801:Humans; D012891:Sleep Apnea Syndromes / Q000175:diagnosis*; D011795:Surveys and Questionnaires