PT - JOURNAL ARTICLE AU - P. Murphy AU - R. Lyall AU - N. Hart AU - M. I. Polkey TI - Assessment of respiratory muscle strength in motor neurone disease: is asking enough? AID - 10.1183/09031936.00167509 DP - 2010 Feb 01 TA - European Respiratory Journal PG - 245--246 VI - 35 IP - 2 4099 - http://erj.ersjournals.com/content/35/2/245.short 4100 - http://erj.ersjournals.com/content/35/2/245.full SO - Eur Respir J2010 Feb 01; 35