Assessing symptom burden and depression in patients with chronic respiratory insufficiency.
Heidi Rantala, Sirpa Leivo-Korpela, Anni Hanhimäki, Lauri Lehtimäki, Juho T Lehto
ERJ Open Research Feb 2020, 6 (suppl 4) 37; DOI: 10.1183/23120541.RFMVC-2020.37