van Geffen Wouter H, Slebos Dirk-Jan, Kerstjens Huib A M
University of Groningen, Department of Pulmonology, University Medical Center Groningen, 9700RB Groningen, Netherlands.
University of Groningen, Department of Pulmonology, University Medical Center Groningen, 9700RB Groningen, Netherlands.
Lancet Respir Med. 2015 Dec;3(12):e43-4. doi: 10.1016/S2213-2600(15)00459-2.