Responses of urinary strip preparations from control and cyclophosphamide-pretreated rats to electrical field stimulation and to agonists were assessed in the absence and presence of muscarinic , adrenergic and purinergic receptor antagonists .
O O O O O O O O B-ChemicalEntity B-OrganismTaxon O O O O O O O O O O O O O O O B-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity O