TY - RPRT TI - Assessing stenosis severity: coronary flow reserve, collateral function, quantitative coronary arteriography, positron imaging, and digital subtraction angiography. A review and analysis. AU - L Demer AU - K L Gould AU - R Kirkeeide DO - 10.1016/0033-0620(88)90001-1 UR - https://pubmed.ncbi.nlm.nih.gov/3279459/ ID - 3279459 ER -