title: [Importance of smiles among nurses and training in proper usage of speech].
authors.forename: Y
authors.initials: Y
authors.lastname: Ishii
mesh_terms: D005149:Facial Expression; D006801:Humans; D007398:Interpersonal Relations; D009726:Nurses / Q000523:psychology*; D012660:Semantics; D012904:Smiling