title: The secret behind John's smile.
authors.forename: P
authors.initials: P
authors.lastname: Carr
mesh_terms: D000368:Aged; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000451:nursing*; D008297:Male; D010349:Patient Compliance; D010353:Patient Education as Topic / Q000379:methods*; D011932:Reading