title: Use of expiratory positive airway pressure delivered by a spring load resistor during exercise: a new tool to optimize exercise training in patients with COPD?
authors.forename: Nidia A
authors.initials: NA
authors.lastname: Hernandes
authors.forename: Fabio
authors.initials: F
authors.lastname: Pitta
mesh_terms: D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D011175:Positive-Pressure Respiration; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology*