When a patient reported being so short of breath he could barely walk, many physicians were stumped. It took a nosy doctor to discover the culprit: Feather Duvet Lung disease.
원문출처 : https://www.cnn.com/2019/11/18/health/feather-down-duvet-sickness-wellness/index.html
원문출처 : https://www.cnn.com/2019/11/18/health/feather-down-duvet-sickness-wellness/index.html