zafirlukast
... that genetic differences may affect the efficacy of the anti-asthmatic drug zafirlukast?
... that <a href="./Pharmacogenomics" id="mwCHU" rel="mw:WikiLink" title="Pharmacogenomics">genetic differences</a> may affect the efficacy of the <a href="./Asthma" id="mwCHY" rel="mw:WikiLink" title="Asthma">anti-asthmatic</a> drug <b id="mwCHc"><a href="./Zafirlukast" id="mwCHg" rel="mw:WikiLink" title="Zafirlukast">zafirlukast</a></b>?