1. Do COPD subtypes really exist? COPD heterogeneity and clustering in 10 independent cohorts. Issue 11 (21st June 2017) Authors: Castaldi, Peter J; Benet, Marta; Petersen, Hans; Rafaels, Nicholas; Finigan, James; Paoletti, Matteo; Marike Boezen, H; Vonk, Judith M; Bowler, Russell; Pistolesi, Massimo; Puhan, Milo A; Anto, Josep; Wauters, Els; Lambrechts, Diether; Janssens, Wim; Bigazzi, Francesca; Camiciottoli, Gianna; Cho,... Journal: Thorax Issue: Volume 72:Issue 11(2017) Page Start: 998 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗