TY - JOUR T1 - <em>From the authors</em> JF - European Respiratory Journal JO - Eur Respir J SP - 246 LP - 247 DO - 10.1183/09031936.00025808 VL - 32 IS - 1 AU - I. Koutsourelakis AU - S. Zakynthinos Y1 - 2008/07/01 UR - http://erj.ersjournals.com/content/32/1/246.2.abstract N2 - We would like to thank M. Kohler and K.E. Bloch for their interest and comments about our recent paper 1 and we appreciate the opportunity to make some remarks in reply to their letter. Indeed, we have acknowledged that the unobtrusive instrumentation used in our study (nasal cannula/pressure transducer and oral thermistor) could not quantify ventilation 2. Nonetheless, it is considered ideal for a qualitative … ER -