The analog signals were recorded on an eight-channel oscillograph (Astro-Med), digitized with an on-line analog-to-digital converter (Data Translation Devices) at 200 Hz, and stored on a floppy disk ...
From the Department of Surgery, Division II, Kobe University School of Medicine, Kobe, Japan. Background Although plasma levels of endothelin-1 (ET-1) increase in patients with pulmonary hypertension ...