title: Comparative biological activity of natural and synthetic leukotrienes.
mesh_terms: D000818:Animals; D001095:Arachidonic Acids / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D006168:Guinea Pigs; D007082:Ileum / Q000502:physiology; D007536:Isomerism; D007975:Leukotriene B4; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D013189:SRS-A / Q000138:chemical synthesis / Q000494:pharmacology*; D013329:Structure-Activity Relationship; D014132:Trachea / Q000502:physiology
chemical_list: D001095:Arachidonic Acids; D013189:SRS-A; D007975:Leukotriene B4