title: A time dose-response desensitization study of substance P in the guinea-pig ileum.
mesh_terms: D000818:Animals; D005260:Female; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D009130:Muscle, Smooth / Q000187:drug effects*; D013373:Substance P / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D013373:Substance P