1. Impact of endoscopic versus open saphenous vein harvest technique on late coronary artery bypass grafting patient outcomes in the ROOBY (Randomized On/Off Bypass) Trial 
Marco A. Zenati, MD, A. Laurie Shroyer, PhD, Joseph F. Collins, ScD, Brack Hattler, MD, Takeyoshi Ota, MD, PhD, G. Hossein Almassi, MD, Morteza Amidi, MD, Dimitri Novitzky, MD, PhD, Frederick L. Grover, MD, Ali F. Sonel, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 141, Issue 2, Pages (February 2011)
DOI: /j.jtcvs
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2. Figure 1
Enrollment, treatment, and follow-up. ROOBY, Randomized On/Off Bypass Trial; SVG, saphenous vein graft; OVH, open greater saphenous vein graft harvest; EVH, endoscopic greater saphenous vein graft harvest.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
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3. Figure 2
Kaplan–Meier estimate of time to repeat revascularization (n = 894).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
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