Robert D. Levy

Expression of Endothelin-1 in the Lungs of Patients with Pulmonary Hypertension

Adel Giaid, Masashi Yanagisawa, David Langleben et al. · New England Journal of Medicine · 1993 · 1.8K citations · Full text

Medicine, Cardiology, Physiology +11

Increased Plasma Endothelin-1 in Pulmonary Hypertension: Marker or Mediator of Disease?

Robert D. Levy, Peter Černáček, David Langleben · Annals of Internal Medicine · 1991 · 978 citations

Medicine, Cardiology, Physiology +11

Reference Values for a Multiple Repetition 6-Minute Walk Test in Healthy Adults Older Than 20 Years

Nadine Fruchter, Sherry Sloan, Robert D. Levy · Journal of Cardiopulmonary Rehabilitation · 2001 · 556 citations

Education, Geriatric Medicine, Rehabilitation Medicine +14

Airway Wall Thickening and Emphysema Show Independent Familial Aggregation in Chronic Obstructive Pulmonary Disease

Bipen D. Patel, Harvey O. Coxson, Sreekumar Pillai et al. · American Journal of Respiratory and Critical Care Medicine · 2008 · 322 citations

Medicine, Clinical Sciences, Internal Medicine +14

Ventilatory Muscle Support in Respiratory Failure with Nasal Positive Pressure Ventilation

Zev Carrey, Stewart B. Gottfried, Robert D. Levy · CHEST Journal · 1990 · 303 citations

Medicine, Respiratory Therapy, Pulmonology +15