التصنيف: selective leukotriene d4 and e4 antagonist المادة الفعالة:zafirlukast
indication for the prophylaxis and chronic treatment of asthma. mechanism of action zafirlukast is a selective and competitive receptor antagonist of leukotriene d4 and e4 (ltd4 and lte4) components of slow-reacting substance of anaphylaxis (srsa). cystei
