PT - JOURNAL ARTICLE AU - Cornelia A. Verberkt AU - Marieke H.J. van den Beuken-van Everdingen AU - Emiel F.M. Wouters AU - Daisy J.A. Janssen TI - Attitudes of patients with chronic breathlessness towards treatment with opioids AID - 10.1183/13993003.01752-2019 DP - 2020 Feb 01 TA - European Respiratory Journal PG - 1901752 VI - 55 IP - 2 4099 - http://erj.ersjournals.com/content/55/2/1901752.short 4100 - http://erj.ersjournals.com/content/55/2/1901752.full SO - Eur Respir J2020 Feb 01; 55