title: The Smile.
authors.forename: Megan A
authors.initials: MA
authors.lastname: Freeman
mesh_terms: D000368:Aged; D016330:Frail Elderly / Q000523:psychology*; D006801:Humans; D009034:Mother-Child Relations / Q000523:psychology; D010817:Physician-Patient Relations; D012904:Smiling; D014940:Work Schedule Tolerance