title: Letter by Hattler et al regarding article, "Graft patency after off-pump coronary artery bypass surgery".
authors: Brack
authors: B
authors: Hattler
authors: Frederick L
authors: FL
authors: Grover
authors: A Laurie
authors: AL
authors: Shroyer
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump / Q000009:adverse effects* / Q000379:methods*; D003327:Coronary Disease / Q000601:surgery*; D005260:Female; D006083:Graft Occlusion, Vascular / Q000209:etiology*; D006801:Humans; D008297:Male; D009204:Myocardial Revascularization