title: Invited commentary.
authors.affiliation: Cardiothoracic and Vascular Surgical Associates, PA, 300 Health Park Blvd, Suite 5000, St. Augustine, FL 32086, USA. dmuehrcke@aol.com
authors.forename: Derek D
authors.initials: DD
authors.lastname: Muehrcke
mesh_terms: D000792:Angiography; D006801:Humans; D009204:Myocardial Revascularization / Q000379:methods*; D017534:Radial Artery / Q000033:anatomy & histology / Q000000981:diagnostic imaging* / Q000637:transplantation*; D015203:Reproducibility of Results; D018401:Sample Size; D016896:Treatment Outcome