Natural course of a prolonged pr interval and the relation between pr and incidence of coronary heart disease. A 7-year follow-up study of 1832 apparently healthy men aged 40-59 years
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1992 ◽
Vol 2
(5)
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pp. 637-645
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2019 ◽
Vol 37
(5)
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pp. 949-955
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1991 ◽
Vol 121
(1)
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pp. 172-177
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