Description
Item Description:Bibliographic Level Mode of Issuance: Monograph
Physical Description:1 online resource
Format:Mode of access: Internet from the AHRQ web site. Address as of 4/12/06: http://www.ahrq.gov/downloads/pub/evidence/pdf/asthmawork/asthwork.pdf; current access available via PURL.
Bibliography:Includes bibliographical references.