@article{KardosMokrosSaueretal.2018,
  author    = {Peter Kardos and Ingo Mokros and R{\"u}diger Sauer and Claus F. Vogelmeier},
  title     = {Health status in patients with COPD treated with roflumilast: two large noninterventional real-life studies: DINO and DACOTA},
  journal   = {The International journal of chronic obstructive pulmonary disease},
  volume    = {13},
  pages     = {1455 -- 1468},
  doi       = {10.2147/COPD.S159827},
  year      = {2018},
}