title: Ultrasound assessment of the diaphragm in patients with COPD.
authors.forename: Sachin
authors.initials: S
authors.lastname: Kumar
authors.forename: Sandipan
authors.initials: S
authors.lastname: Chandra
mesh_terms: D003964:Diaphragm / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000379:methods*