title: New method for in vitro studies of the histaminergic receptors in tracheal smooth muscle of male and female guinea-pigs.
mesh_terms: D000818:Animals; D004155:Diphenhydramine / Q000494:pharmacology*; D005260:Female; D006168:Guinea Pigs / Q000378:metabolism*; D006632:Histamine / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000187:drug effects*; D010600:Pharmacology / Q000379:methods; D011968:Receptors, Histamine / Q000187:drug effects*; D012737:Sex Factors; D014132:Trachea / Q000187:drug effects
chemical_list: D011968:Receptors, Histamine; D006632:Histamine; D004155:Diphenhydramine