How often is the diagnosis bronchial asthma correct?
Bertil Marklund, Alf Tunsätera and Calle Bengtssonb Unit for Research and Development in Primary Health Care and Department of Primary Health Care, Göteborg University, Gothenburg, a Asthma and Allergy Centre, Sahlgrenska University Hospital of Gothenburg, Sweden and b Department of Primary Health Care, Göteborg University, Gothenburg, Sweden. Dr Bertil Marklund, Unit for Research and Development, Primary Health Care, Halland, Box 113, S-311 22 Falkenberg, Sweden.
