PT - JOURNAL ARTICLE AU - Bartolome R. Celli TI - We must join forces in the battle against COPD AID - 10.1183/13993003.01258-2015 DP - 2015 Nov 01 TA - European Respiratory Journal PG - 1528--1528 VI - 46 IP - 5 4099 - http://erj.ersjournals.com/content/46/5/1528.short 4100 - http://erj.ersjournals.com/content/46/5/1528.full SO - Eur Respir J2015 Nov 01; 46