title: Spasmolytic effect of polysorbates (Tweens) 80 and 20 isolated tissues.
mesh_terms: D000009:Abdominal Muscles / Q000187:drug effects; D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000707:Anaphylaxis / Q000517:prevention & control; D000804:Angiotensin II / Q000037:antagonists & inhibitors; D000818:Animals; D001920:Bradykinin / Q000037:antagonists & inhibitors; D002217:Carbachol / Q000037:antagonists & inhibitors; D004837:Epinephrine / Q000037:antagonists & inhibitors; D005260:Female; D006168:Guinea Pigs; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D066298:In Vitro Techniques; D007422:Intestines / Q000187:drug effects; D007545:Isoproterenol / Q000037:antagonists & inhibitors; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D010121:Oxytocin / Q000037:antagonists & inhibitors; D011189:Potassium Chloride / Q000037:antagonists & inhibitors; D011448:Prostaglandin Antagonists; D011817:Rabbits; D051381:Rats; D012669:Seminal Vesicles / Q000187:drug effects; D012702:Serotonin Antagonists; D013501:Surface-Active Agents / Q000494:pharmacology*; D014599:Uterus / Q000187:drug effects
chemical_list: D006634:Histamine H1 Antagonists; D011448:Prostaglandin Antagonists; D012702:Serotonin Antagonists; D013501:Surface-Active Agents; D000804:Angiotensin II; D010121:Oxytocin; D011189:Potassium Chloride; D002217:Carbachol; D007545:Isoproterenol; D000109:Acetylcholine; D001920:Bradykinin; D004837:Epinephrine