title: Lactic acid levels in patients with chronic obstructive pulmonary disease accomplishing unsupported arm exercises.
authors.affiliation: Pulmonary Rehabilitation Center, Federal University of São Paulo, Unifesp, Brazil.
authors.forename: Gérson F
authors.initials: GF
authors.lastname: de Souza
authors.forename: Antonio A M
authors.initials: AA
authors.lastname: Castro
authors.forename: Marcelo
authors.initials: M
authors.lastname: Velloso
authors.forename: Camille R
authors.initials: CR
authors.lastname: Silva
authors.forename: José R
authors.initials: JR
authors.lastname: Jardim