@misc{indiciae8d06bf8ec94c,
  title = {[Movement therapy in ankylosing spondylitis using a homework program].},
  author = {B Popp and D Riede},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/464994/},
  note = {Source identifier: 464994}
}