Letter: Techniques of measuring regional wall motion.
D000790:Angiocardiography / Q000379:methods; D002932:Cineangiography; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006352:Heart Ventricles / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans