CITATIONS

Term: pulmonary emphysema
Http://: https://my.clevelandclinic.org/health/diseases/9370-emphysema
Http://: https://www.cedars-sinai.org/health-library/diseases-and-conditions/p/pulmonary-emphysema.html
Http://: https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=85&contentid=p01309