least three additional years subspeciality fellowship training pulmonology pediatric pulmonologists treat diseases airways lungs respiratory mechanics aerodigestive system pulmonology physician assistant physician assistants commonly work collaboration physicians field pulmonology scientific research pulmonologists involved clinical basic research respiratory system ranging anatomy respiratory epithelium effective treatment pulmonary hypertension scientific research also takes place look causes possible treatment diseases pulmonary tuberculosis lung cancer references
Applied science Medicine and health Internal medicine Pulmonology