[Role of premature excitation in postextrasystolic potentiation].
D000818:Animals; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D004285:Dogs; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism*
Rol'prezhdevremennogo vozbuzhdeniia f postékstrasistolicheskoĭ potentsiatsii.