Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

High Resolution Imaging for Early and Better Detection of Bladder Cancer

Study of Insulin Resistance and Endometrial Cancer in Harris County, Texas

Patient-Centered Risk Adjusted Surveillance After Curative Resection of Colorectal Cancer

Trial of the Effect of Timing of Cholecystectomy During Initial Admission for Mild Gallstone Pancreatitis

Conservative Surgery for Women With Cervical Cancer

Established Status Epilepticus Treatment Trial