At the Philadelphia Veterans Administration Hospital frequent, persistent and troublesome arrhythmias have been encountered in patients with chronic pulmonary disease. This observation prompted us to ...

Philadelphia, April 30, 2025 – Researchers have developed a novel rat model that closely replicates the pathological features and physiological changes associated with human chronic obstructive ...

To rapidly communicate information on the global clinical effort against Covid-19, the Journal has initiated a series of case reports that offer important teaching points or novel findings. The case ...