%0 Scholarly Article or Book Chapter %T β2-Adrenergic receptor promoter haplotype influences the severity of acute viral respiratory tract infection during infancy: a prospective cohort study %I BioMed Central %R http://localhost/files/zc77ss692 %G http://id.loc.gov/vocabulary/iso639-2/eng %[ 2022-06-16 %9 Article %~ Carolina Digital Repository %W UNC-Chapel Hill