Electrocardiograph service for general practitioners: an appraisal
- PMID: 20791451
- PMCID: PMC1985021
- DOI: 10.1136/bmj.1.5587.305
Electrocardiograph service for general practitioners: an appraisal
References
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- Am Heart J. 1952 Nov;44(5):645-70 - PubMed
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