It has long been recognized that evaluation of the severity of stenoses in the left main is more difficult than at most other sites in the coronary tree, although much of supporting data dates from the time when patients underwent angiography...
It has long been recognized that evaluation of the severity of stenoses in the left main is more difficult than at most other sites in the coronary tree, although much of supporting data dates from the time when patients underwent angiography...
It has long been recognized that...