Early Effectiveness of Noninvasive Positive Pressure Ventilation on Right Ventricular Function in Chronic Obstructive Pulmonary Disease Subjects with Acute Hypercapnic Respiratory Failure
The Relationship between Serum Pro‐Brain Natriuretic Peptide (Pro‐BNP) Levels and Pulmonary Arterial Hypertension (PAH) in Patients with Limited Scleroderma