title: Pulmonary hypertension at exercise in COPD: does it matter?
authors: Robert
authors: R
authors: Naeije
authors: Bart G
authors: BG
authors: Boerrigter
mesh_terms: D015444:Exercise; D005260:Female; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications* / Q000503:physiopathology*; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology*