Vijayaraghavan, G2001-03-292009-05-272001-03-292009-05-272001-03-29Vijayaraghavan G. Communications in cardiology: why digital? Indian Heart Journal. 2001 Mar-Apr; 53(2): 231-4http://imsear.searo.who.int/handle/123456789/49065 references.engAngiography, Digital Subtraction --methodsCardiology --methodsCardiovascular Diseases --diagnosisDiagnostic Imaging --methodsFemaleHumansMaleRadiographic Image Enhancement --methodsRadiology Information SystemsSensitivity and SpecificityJournal Article