title: ATRIO-VENTRICULAR HEART BLOCK: UNIVERSITY OF MANITOBA FOLLOW-UP STUDY REPORTS--SERIES 1963.
mesh_terms: D000337:Aerospace Medicine; D002170:Canada; D002318:Cardiovascular Diseases; D003327:Coronary Disease; D004562:Electrocardiography; D005500:Follow-Up Studies; D006327:Heart Block; D006801:Humans; D011379:Prognosis
keywords: AVIATION MEDICINE; CANADA; CORONARY DISEASE; ELECTROCARDIOGRAPHY; HEART BLOCK; PROGNOSIS