So Kato

Angioscopic detection of residual pulmonary thrombi in the differential diagnosis of pulmonary embolism

Management of Massive and Submassive Pulmonary Embolism, Iliofemoral Deep Vein Thrombosis, and Chronic Thromboembolic Pulmonary Hypertension

Percutaneous pulmonary angioscopy using a guiding balloon catheter