title: Peak flow meters for asthma patients. Do they up the benefits or up the costs?
authors.affiliation: Toronto Hospital Family.
authors.forename: C P
authors.initials: CP
authors.lastname: Por
authors.forename: M F
authors.initials: MF
authors.lastname: Evans
mesh_terms: D000328:Adult; D001249:Asthma / Q000517:prevention & control*; D003362:Cost-Benefit Analysis; D005194:Family Practice; D006801:Humans; D010347:Patient Care Planning; D010353:Patient Education as Topic; D010366:Peak Expiratory Flow Rate; D012648:Self Care / Q000191:economics / Q000379:methods*; D013147:Spirometry / Q000191:economics