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. 1953 Apr;91(4):448-63.
doi: 10.1001/archinte.1953.00240160034004.

Intermittent bundle-branch block; observations with special reference to the critical heart rate

Intermittent bundle-branch block; observations with special reference to the critical heart rate

M A SHEARN et al. AMA Arch Intern Med. 1953 Apr.
No abstract available

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