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To the Editor, We read with interest the paper by Itagaki et al in Heart.1 The authors investigate the impact of bilateral internal mammary artery (BIMA) use in 1 526 360 isolated coronary artery bypass operations on inhospital mortality and deep sternal wound infection (DSWI). While there …
Contributors NA and KM wrote the manuscript.
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.
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