title: Quantitative differences between the inhibitory action of verapamil and Ni ions on the slow response action potential in mammalian ventricular myocardium.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects; D007700:Kinetics; D009206:Myocardium / Q000378:metabolism*; D009532:Nickel / Q000494:pharmacology*; D016276:Ventricular Function; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D009532:Nickel; D014700:Verapamil