RT Journal Article SR Electronic T1 Tongue protrusion force and fatiguability in male and female subjects JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 191 OP 195 DO 10.1034/j.1399-3003.1999.14a32.x VO 14 IS 1 A1 IL Mortimore A1 P Fiddes A1 S Stephens A1 NJ Douglas YR 1999 UL http://erj.ersjournals.com/content/14/1/191.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.