title: Invited commentary.
authors.affiliation: Division of Cardiac Surgery, Toronto General Hospital, EN 14-215, 200 Elizabeth St, Toronto, Ontario M5G-2C4, Canada.
authors.forename: Shafie
authors.initials: S
authors.lastname: Fazel
authors.forename: Denis
authors.initials: D
authors.lastname: Angoulvant
authors.forename: Richard D
authors.initials: RD
authors.lastname: Weisel
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump; D006801:Humans; D017202:Myocardial Ischemia / Q000628:therapy*; D036102:Peripheral Blood Stem Cell Transplantation / Q000379:methods*; D014182:Transplantation, Autologous