functional and structural cardiac abnormalities in cirrhotic patients with and without ascites A study of some nontraditional risk factors for the development of coronary heart disease in patients with insulin dependent diabetes mellitus assessment of renal blood flow in cirrhotic patients with and without ascites respiratory functions and cardiopulmonary dynamics before and after esophageal variceal sclerotherapy obese- gene product (leptin) in patients with chronic liver dis ease calciotropic hormones (1.25 dihydroxy vitamin and parathyroid hormone ) and plasma renin activity in assantial hypertesion plasma endothelin and nitric oxide levels in diabetic patients plasma endothelin and nitric oxide levels in diabetic patients