AM PEF: Weakly mean morning peak expiratory flow; FEV1: Forced expiratory volume in 1 s; FVC: Forced vital capacity; LTRA: Leukotriene-receptor antagonist. Chronic overproduction of cysteinyl ...

We now know that the substance originally termed slow-reacting substance of anaphylaxis was composed of three cysteinyl leukotrienes that act in the inflammatory response via receptors on smooth ...