What is Chronic Bronchitis: How to Answer Exam Questions

❤️ Support us - transfer to a VISA card 4355053921990398 (ARMEN ASTVATSATRYAN) via Chronic bronchitis is a type of chronic obstructive pulmonary disease (COPD) that involves inflammation and narrowing of the airways in the lungs. It is characterized by a persistent cough that produces mucus (sputum) and occurs most days of the month for at least three months in a year for two consecutive years. #chronicbronchitis #copd #exam Professor Armen Astvatsatryan, MD, PhD, ScD, FESC. First Dean and Founder of Faculty of Public Health of European Regional Educational Academy (now University). One of 100 of the International Biographical Center`s (Cambridge, England) Top Health Professionals - 2007. aramis1969@