To the Editor. This is the case of a 67-year-old woman admitted due to a 6-month history of exertional angina. Stress echocardiography showed severe anterior wall ischemia. The patient was referred for coronary angiography that revealed the presence of a chronic total coronary occlusion of the proximal left anterior descending coronary artery (LAD) immediately before the bifurcation w... https://www.roamingfreesims.com/product-category/germicidal-lamp/