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The significance of an absent or a small initial positive deflection in the precordial lead
A.M. Master, S. Dack, H.H. Kalter, H.L. JaffeVolume:
14
Year:
1937
Language:
english
DOI:
10.1016/s0002-8703(37)90566-0
File:
PDF, 8.62 MB
english, 1937