The pH dependence of histamine action on the guinea-pig ileum.
D000818:Animals; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D007082:Ileum / Q000187:drug effects*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*
D006632:Histamine