title: Diaphragmatic breathing training: further investigation needed.
authors.forename: Vijai
authors.initials: V
authors.lastname: Sharma
mesh_terms: D001945:Breathing Exercises; D004417:Dyspnea / Q000517:prevention & control*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000534:rehabilitation*; D012138:Respiratory Therapy / Q000379:methods; D014939:Work of Breathing