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PubMed · 7403608

[Esophageal electrocardiogram: normal patterns].

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A Almazán Ceballos, A D García Dorado García, R Alvarez Diaz, L Menarguez Carretero. 1980-07-15. [Esophageal electrocardiogram: normal patterns].. https://pubmed.ncbi.nlm.nih.gov/7403608/

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