Intrinsic factors influence self-management participation in COPD: effects on self-efficacy
Geertje M. de Boer, T.H. Mennema, Esther van Noort, Niels H. Chavannes, Erwin Birnie, Johannes C.C.M. in 't Veen
ERJ Open Research 2018 4: 00011-2018; DOI: 10.1183/23120541.00011-2018