@misc{indiciae741a20f7bdd3,
  title = {Slap on supine back (MGH method).},
  author = {R W Alman},
  year = {1971},
  doi = {10.1056/nejm197105272842120},
  url = {https://pubmed.ncbi.nlm.nih.gov/5576143/},
  note = {Source identifier: 5576143}
}