Effects of atrial premature systoles on sinus rhythm in the rabbit.
D000818:Animals; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D004558:Electric Stimulation; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D008564:Membrane Potentials; D011817:Rabbits; D012849:Sinoatrial Node / Q000503:physiopathology*; D013997:Time Factors