Inhibitory effect of Chuanning Soft Capsule on production and release of leukotriene generated by polymorphonuclear leukocytes Inhibitiory effect of kaempferol against binding of platelet activating factor to its receptor Effect of Cryptoporus volvatus (Peck) Schear on Leukotriene Production from Polymorphonuclear Leukocytes in Rats Effects of the Glucoprotein Component of Musk on Functions of Rat Polymorphonuclear Leukocytes Activated by LTB4in Vitro