title: Peak flow meters.
authors.forename: L
authors.initials: L
authors.lastname: Hendeles
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D010366:Peak Expiratory Flow Rate; D012212:Rheology / Q000191:economics*
chemical_list: D001993:Bronchodilator Agents