title: Yawning: an early manifestation of vasovagal reflex.
authors.forename: T G
authors.initials: TG
authors.lastname: Cronin
mesh_terms: D001794:Blood Pressure; D006801:Humans; D011859:Radiography / Q000009:adverse effects; D012018:Reflex / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*; D015000:Yawning