Abraham, W M Protective effect of heparin on immunologically induced tracheal smooth muscle contraction in vitro. [electronic resource] - International archives of allergy and immunology May 1996 - 79-84 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1018-2438 Standard No.: 10.1159/000237315 doi Subjects--Topical Terms: AnimalsAnti-Allergic Agents--pharmacologyAntigens, Helminth--pharmacologyAscaris suum--immunologyBenzyl AlcoholBenzyl Alcohols--pharmacologyDimethyl Sulfoxide--pharmacologyHeparin--pharmacologyIn Vitro TechniquesMuscle Contraction--drug effectsMuscle, Smooth--drug effectsNedocromil--pharmacologySheepTrachea