PT - JOURNAL ARTICLE AU - Maria R. Bonsignore AU - Jan Hedner ED - , TI - The European Sleep Apnoea Database (ESADA) ERS Clinical Research Collaboration: past, present and future AID - 10.1183/13993003.01666-2018 DP - 2018 Oct 01 TA - European Respiratory Journal PG - 1801666 VI - 52 IP - 4 4099 - http://erj.ersjournals.com/content/52/4/1801666.short 4100 - http://erj.ersjournals.com/content/52/4/1801666.full SO - Eur Respir J2018 Oct 01; 52