PT - JOURNAL ARTICLE AU - J-W. Fitting TI - Sniff nasal inspiratory pressure: simple or too simple? AID - 10.1183/09031936.06.00007906 DP - 2006 May 01 TA - European Respiratory Journal PG - 881--883 VI - 27 IP - 5 4099 - http://erj.ersjournals.com/content/27/5/881.short 4100 - http://erj.ersjournals.com/content/27/5/881.full SO - Eur Respir J2006 May 01; 27