title: Yawning, Why and When?
authors.affiliation: a University of California, School of Nursing , Los Angeles , California , USA.
authors.forename: Jacquelyn H
authors.initials: JH
authors.lastname: Flaskerud
mesh_terms: D000818:Animals; D000987:Antisocial Personality Disorder; D006801:Humans; D015000:Yawning / Q000502:physiology