The Mediating Effect of Sleep Quality on the Relationship between PTSD and Physical Activity The Mediating Effect of Sleep Quality on the Relationship between PTSD and Physical Activity Download The Impact of Hypoxemia on Nephropathy in Extremely Obese Patients with Type 2 Diabetes Mellitus Validation of a Portable Monitor for the Diagnosis of Obstructive Sleep Apnea in Morbidly Obese Patients