title: [Chronotropic effects of nicotinamide on the isolated sinoatrial node of rats].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D008839:Microelectrodes; D009536:Niacinamide / Q000494:pharmacology*; D051381:Rats; D012849:Sinoatrial Node / Q000502:physiology*; D013268:Stimulation, Chemical
chemical_list: D009536:Niacinamide