RT Journal Article SR Electronic T1 B<SUB>2</SUB> adrenoceptor polymorphisms and asthma phenotypes: interactions with passive smoking JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00123206 A1 G. Zhang A1 C.M. Hayden A1 S-K. Khoo A1 P. Candelaria A1 I.A. Laing A1 S. Turner A1 P. Franklin A1 S. Stick A1 L. Landau A1 J. Goldblatt A1 P.N. Le Souëf YR 2007 UL http://erj.ersjournals.com/content/early/2007/04/11/09031936.00123206.abstract AB