Chronic obstructive pulmonary disease - Wikipedia, the free ... 
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Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive lung disease (COLD), chronic obstructive airway disease (COAD), chronic airflow ...
http://en.wikipedia.org/wiki/COPD
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Chronic obstructive pulmonary disease - PubMed Health 
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Chronic obstructive pulmonary disease (COPD) is one of the most common lung diseases. It makes it difficult to breathe. There are two main forms of COPD:
http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001153/
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COPD - MayoClinic.com - Mayo Clinic 
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COPD (chronic obstructive pulmonary disease) — Comprehensive overview covers symptoms, treatment of this lung disease.
http://www.mayoclinic.com/health/copd/DS00916
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What Is COPD? - NHLBI, NIH - NIH Heart, Lung and Blood Institute 
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COPD, or chronic obstructive pulmonary (PULL-mun-ary) disease, is a progressive disease that makes it hard to breathe.
http://www.nhlbi.nih.gov/health/dci/Diseases/Copd/Copd_WhatIs.html
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COPD Symptoms, Diagnosis, Treatments and Causes - RightDiagnosis.com 
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COPD information including symptoms, diagnosis, misdiagnosis, treatment, causes, patient stories, videos, forums, prevention, and prognosis.
http://www.rightdiagnosis.com/c/copd/intro.htm
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COPD - Chronic Obstructive Pulmonary Disease - Causes, Symptoms ... 
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What is COPD? Chronic obstructive pulmonary disease?Chronic obstructive pulmonary disease (COPD) is a group of long - term (chronic) lung diseases that ...
http://www.webmd.com/lung/copd/tc/chronic-obstructive-pulmonary-disease-copd-overview
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COPD (Chronic Obstructive Pulmonary Disease): MedlinePlus 
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Chronic Obstructive Pulmonary Disease (COPD) makes it hard for you to breathe. Coughing up mucus is often the first sign of COPD. Chronic bronchitis and emphysema are ...
http://www.nlm.nih.gov/medlineplus/copdchronicobstructivepulmonarydisease.html
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COPD - American Lung Association 
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COPD, also known as emphysema and chronic bronchitis, is a very serious disease, and the third leading cause of death in the United States. The good news is that COPD ...
http://www.lung.org/lung-disease/copd/
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COPD Health Center -- WebMD 
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WebMD’s COPD Health Center provides in-depth information on chronic obstructive pulmonary disease including symptoms, causes, treatment options, diagnosis, and tests.
http://www.webmd.com/lung/copd/default.htm
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COPD (Chronic Obstructive Pulmonary Disease) Symptoms, Causes, and ... 
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Learn about COPD (chronic obstructive pulmonary disease) symptoms such as chronic cough, shortness of breath, and frequent respiratory infections. Emphysema, smoking ...
http://www.medicinenet.com/chronic_obstructive_pulmonary_disease_copd/article.htm
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