PT - JOURNAL ARTICLE AU - Nicolino Ambrosino TI - Inspiratory muscle training in stable COPD patients: enough is enough? AID - 10.1183/13993003.02285-2017 DP - 2018 Jan 01 TA - European Respiratory Journal PG - 1702285 VI - 51 IP - 1 4099 - http://erj.ersjournals.com/content/51/1/1702285.short 4100 - http://erj.ersjournals.com/content/51/1/1702285.full SO - Eur Respir J2018 Jan 01; 51