Allen's test.
Barner
Hendrick B
HB
D001783:Blood Flow Velocity; D003097:Collateral Circulation / Q000502:physiology; D001026:Coronary Artery Bypass / Q000379:methods; D003955:Diagnostic Tests, Routine; D006225:Hand / Q000098:blood supply*; D006801:Humans; D007511:Ischemia / Q000175:diagnosis*; D017534:Radial Artery / Q000637:transplantation*; D012680:Sensitivity and Specificity