References:
- Chronic Bronchitis - (https://medlineplus.gov/chronicbronchitis.html)
- What is COPD? - (https://medlineplus.gov/copd.html)
- Chronic Obstructive Pulmonary Disease (COPD) Includes: Chronic Bronchitis and Emphysema - (https://www.cdc.gov/nchs/fastats/copd.htm)
- What is Chronic obstructive pulmonary disease? - (http://www.who.int/mediacentre/factsheets/fs315/en/)
- The Lungs - (http://teachmeanatomy.info/thorax/organs/lungs/)
- Chronic Bronchitis: Primary Care Management - (http://www.aafp.org/afp/1998/0515/p2365.html)
- Bronchitis - (http://www.mayoclinic.org/diseases-conditions/bronchitis/basics/causes/con-20014956)
- Information About COPD - (http://www.mayoclinic.org/diseases-conditions/copd/home/ovc-20204882)
- What Causes Bronchitis? - (https://www.nhlbi.nih.gov/health/health-topics/topics/brnchi/causes)
- Chronic obstructive pulmonary disease (COPD) - (http://www.nhs.uk/Conditions/Chronic-obstructive-pulmonary-disease/Pages/Introduction.aspx)
- Know About Chronic Bronchitis - (http://www.handsonhealth-sc.org/page.php?id=1344)
- Emphysema - (http://www.mayoclinic.org/diseases-conditions/emphysema/basics/definition/con-20014218)
- Chronic Bronchitis Diagnosis - https://www.ucsfhealth.org/conditions/chronic_bronchitis/diagnosis.html)
- Chronic Bronchitis Treatment - (https://www.ucsfhealth.org/conditions/chronic_bronchitis/treatment.html)
Editor: Suchitra Chari
Technically Checked by: Lingaraj