title: Asthma costs.
authors.forename: R N
authors.initials: RN
authors.lastname: Ross
authors.forename: B A
authors.initials: BA
authors.lastname: Berman
mesh_terms: D001249:Asthma / Q000191:economics* / Q000517:prevention & control; D002675:Child, Preschool; D003365:Costs and Cost Analysis; D004205:Cromolyn Sodium / Q000627:therapeutic use*; D006296:Health Services / Q000191:economics; D006801:Humans; D012189:Retrospective Studies
chemical_list: D004205:Cromolyn Sodium