@misc{indiciaee5cd074afe72,
  title = {Cricopharyngeal dysfunction in chronic obstructive pulmonary disease.},
  author = {M Stein and A J Williams and F Grossman and A S Weinberg and L Zuckerbraun},
  year = {1990},
  doi = {10.1378/chest.97.2.347},
  url = {https://pubmed.ncbi.nlm.nih.gov/2298059/},
  note = {Source identifier: 2298059}
}