A comparison of primary care physicians and pneumologists in the management of asthma in Spain: ASES study.

The purpose of the ASES study is to determine the clinical characteristics of Spanish asthmatic patients seen in primary care (PC) and in pneumology (P) departments, comparing the availability of diagnostic methods, morbidity, the type of treatment and follow-up between the two health care settings. ASES is a multicenter, descriptive, cross-sectional study. The physicians were selected by random sampling.