@article{HeisselPietrekRappetal.2019,
  author    = {Andreas Heissel and Anou F. Pietrek and Michael A. Rapp and Stephan Heinzel and Geoffrey Williams},
  title     = {Perceived health care climate of older people attending an exercise program},
  journal   = {Journal of aging and physical activity : JAPA ; the official journal of the International Society for Aging and Physical Activity},
  series    = {validation of the german short version of the health care climate questionnaire},
  volume    = {28},
  number    = {2},
  pages     = {276 -- 286},
  doi       = {10.1123/japa.2018-0350},
  year      = {2019},
}