Comparative usefulness of myocardial velocity gradient in detecting ischemic myocardium by a dobutamine challenge.
J Am Coll Cardiol. 1998 Jan;31(1):89-93. doi: 10.1016/s0735-1097(97)00430-0.
J Am Coll Cardiol. 1998.
PMID: 9426023
Free article.