RT Journal Article SR Electronic T1 The respiratory muscles during exercise JF Breathe JO Breathe FD European Respiratory Society SP 165 OP 168 DO 10.1183/20734735.008116 VO 12 IS 2 A1 Andrea Aliverti YR 2016 UL http://breathe.ersjournals.com/content/12/2/165.abstract AB