@article{BehrensKoehmSchwanecketal.2019,
  author    = {Frank Behrens and Michaela K{\"o}hm and Eva Christina Schwaneck and Marc Schmalzing and Bianca Maria Wittig and Holger Gnann and Gerd Greger and Hans-Peter Tony and Harald Burkhardt},
  title     = {Addition or removal of concomitant methotrexate alters adalimumab effectiveness in rheumatoid arthritis but not psoriatic arthritis},
  journal   = {Scandinavian journal of rheumatology},
  volume    = {48},
  number    = {5},
  pages     = {375 -- 382},
  doi       = {10.1080/03009742.2019.1600717},
  year      = {2019},
}