RT Journal Article SR Electronic T1 Respiratory muscle fatigue JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 970 OP 973 DO 10.1183/09031936.93.03080970 VO 3 IS 8 A1 G Scano YR 1990 UL http://erj.ersjournals.com/content/3/8/970.abstract AB