@article{anna appelgren1995in,
  title={Neuropeptides in the Arthritic TMJ and Symptoms and Signs From the Stomatognathic System With Special Consideration to Rheumatoid Arthritis},
  author={anna appelgren,björn appalgren,sigvard kopp,thomas lundeberg,elvar theodorsson},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={9},
  number={3},
  pages={215--225},
  doi = {10.11607/jofph.09215},
  year={1995}
}