cell surface
They can block the 5-lipoxygenase enzyme and/or       5-lipoxygenase-activating-proteine (FLAP), or can block the cysteinyl leukotriene       receptors on the cell surface.
They can block the 5-lipoxygenase enzyme and/or       5-lipoxygenase-activating-proteine (FLAP), or can block the  @OBJECT$   @PREDICAT$  the  @SUBJECT$ .