ANATOMY OF THE NORMAL HUMAN ATRIOVENTRICULAR CONDUCTION SYSTEM.
D000715:Anatomy; D002648:Child; D006329:Heart Conduction System; D006652:Histological Techniques; D006653:Histology; D006801:Humans; D012106:Research
ANATOMY; CHILD; EXPERIMENTAL LAB STUDY; HEART CONDUCTION SYSTEM; HISTOLOGY