227. Coronary angiography, a sophisticated method for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses x-rays to observe cardiac function. (A) for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses (B) for diagnosing coronary disease involving the introduction of a dye into the arteries of heart, is now administered selectively, because of using (C) for diagnosing coronary disease, involves the introduction of dye into the arteries of the heart and is now administered selectively, because it uses (D) to diagnose coronary disease that involves the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses (E) to diagnose coronary disease involving the introduction of a dye into the arteries of the heart, which is now administered selectively, uses
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2003-12-21 10:50:00
