Los pulmones sufren de muchas enfermedades, todas las cuales son graves y potenc...
COPD or Chronic Oppressive Pulmonary Disorder is not a single condition. It simp...
Chronic obstructive pulmonary disease, going by the household name of COPD, is a...
COPD, a disease of the lungs, is a deadly disease that does not have a particula...
Oxygen therapy for COPD is more than 60-70 years old. In this long period, a vas...
The upper respiratory tract consists of the nose, the sinuses, and the pharynx. ...
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