%0 Journal Article %T Association of parental FEF25-75% during a methacholine challenge and children's PC20 and diagnosis of asthma %A Houlbrook D %A Becker AB %A Ramsey CD %J Allergy, Asthma & Clinical Immunology %D 2010 %I BioMed Central %R 10.1186/1710-1492-6-s3-p32 %U http://www.aacijournal.com/content/6/S3/P32