title: Yawning: a behavioural marker of sleepiness in de novo PD patients.
authors.forename: Fiorenza
authors.initials: F
authors.lastname: Giganti
authors.forename: Sara
authors.initials: S
authors.lastname: Guidi
authors.forename: Silvia
authors.initials: S
authors.lastname: Ramat
authors.forename: Iole
authors.initials: I
authors.lastname: Zilli
authors.forename: Laura M
authors.initials: LM
authors.lastname: Raglione
authors.forename: Sandro
authors.initials: S
authors.lastname: Sorbi
authors.forename: Piero
authors.initials: P
authors.lastname: Salzarulo
mesh_terms: D000704:Analysis of Variance; D005260:Female; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000150:complications*; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000209:etiology*; D013997:Time Factors; D015000:Yawning / Q000502:physiology*