title: Air flow obstruction--what are the problems for the clinician?
authors.forename: J B
authors.initials: JB
authors.lastname: Howell
mesh_terms: D000328:Adult; D001249:Asthma / Q000175:diagnosis / Q000188:drug therapy; D001985:Bronchial Provocation Tests; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008297:Male