TISSUE AND ELECTRODE CHANGES IN CHRONIC  CARDIAC PACING---AN EXPERIMENTAL STUDY.
D000818:Animals; D004285:Dogs; D004566:Electrodes; D006327:Heart Block; D007249:Inflammation; D007495:Iridium; D009206:Myocardium; D009336:Necrosis; D010138:Pacemaker, Artificial; D010336:Pathology; D010984:Platinum; D012106:Research
D007495:Iridium; D010984:Platinum
DOGS; EXPERIMENTAL LAB STUDY; HEART BLOCK; INFLAMMATION; IRIDIUM; MYOCARDIUM; NECROSIS; PACEMAKER, ARTIFICIAL; PATHOLOGY; PLATINUM