@misc{PuschmannBeckSchiltenwolfetal.2017,
  author    = {Puschmann, Anne-Kathrin and Beck, Heidrun and Schiltenwolf, Marcus and Wippert, Pia-Maria and Mayer, Frank},
  title     = {Distress in a longitudinal study of a population with nonspecific low back pain},
  series = {Psychosomatic medicine},
  volume    = {79},
  journal   = {Psychosomatic medicine},
  publisher = {Lippincott Williams \& Wilkins},
  address   = {Philadelphia},
  issn      = {0033-3174},
  pages     = {A20 -- A21},
  year      = {2017},
  language  = {en}
}
@misc{DeWittHubertsNiedererWippertetal.2017,
  author    = {De Witt Huberts, Jessie and Niederer, Daniel and Wippert, Pia-Maria and Mayer, Frank},
  title     = {The effects of a new practical and synergetic multimodal treatment for chronic back pain on pain-related cognitions and wellbeing},
  series = {Psychosomatic medicine},
  volume    = {79},
  journal   = {Psychosomatic medicine},
  number    = {4},
  publisher = {Lippincott Williams \& Wilkins},
  address   = {Philadelphia},
  issn      = {0033-3174},
  pages     = {A22 -- A23},
  year      = {2017},
  language  = {en}
}