PT - JOURNAL ARTICLE AU - Nadia Kamel TI - European reference networks: moving towards a tangible outcome of the European Union's cross-border healthcare directive? AID - 10.1183/13993003.01385-2016 DP - 2016 Dec 01 TA - European Respiratory Journal PG - 1564--1568 VI - 48 IP - 6 4099 - http://erj.ersjournals.com/content/48/6/1564.short 4100 - http://erj.ersjournals.com/content/48/6/1564.full SO - Eur Respir J2016 Dec 01; 48