RT Journal Article SR Electronic T1 Prostanoid DP receptor polymorphisms may cause changes in susceptibility to asthma JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 248 OP 248 DO 10.1136/thx.2004.la0135 VO 60 IS 3 A1 C Prys-Picard YR 2005 UL http://thorax.bmj.com/content/60/3/248.abstract AB