The pontiff had no fever and no signs of new infection, and continued his respiratory therapy, the Vatican said.

The following is a summary of "Radiation decreases bronchial epithelial progenitor function as assessed by organoid formation ...

All living things do this to stay alive. The gas exchange system is made from key parts, each of which has a different function. Bronchus The trachea splits into a left and right bronchus (plural ...

Doctors said it would take a day or two to evaluate how and if the Friday afternoon episode impacted Francis’ overall ...