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Continue to ChatRelationship between changes in R-wave amplitude during left ventriculography and the seriousness of coronary heart disease - https://avesis.ktu.edu.tr/publication/details/78c29e9a-4ea7-44a8-855c-fce585d9877a/relationship-between-changes-in-r-wave-amplitude-during-left-ventriculography-and-the-seriousness-of-coronary-heart-disease