Unilateral carotid body excision.
D001249:Asthma / Q000401:mortality / Q000601:surgery*; D002344:Carotid Body / Q000601:surgery*; D006801:Humans; D008171:Lung Diseases / Q000401:mortality / Q000601:surgery*; D008173:Lung Diseases, Obstructive / Q000401:mortality / Q000601:surgery