A woman in her 40s presented with a one month history of swelling and tenderness of the ears (fig 1), along with pain in her palms and fingers, and mild chest tightness. She had no history of chronic ...

Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death in the United States, most often caused by ...

Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death in the United States, most often caused by ...