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. 1965 Apr;19(2):53-68.
doi: 10.1136/jech.19.2.53.

THE ELECTROCARDIOGRAM IN EPIDEMIOLOGICAL STUDIES: REPRODUCIBILITY, VALIDITY, AND INTERNATIONAL COMPARISON

THE ELECTROCARDIOGRAM IN EPIDEMIOLOGICAL STUDIES: REPRODUCIBILITY, VALIDITY, AND INTERNATIONAL COMPARISON

I T HIGGINS et al. Br J Prev Soc Med. 1965 Apr.
No abstract available

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