@misc{indiciae41aefcf04d30,
  title = {What is a necessary knowledge base for sleep professionals?},
  author = {S M Harding and J W Hawkins},
  year = {2001},
  doi = {10.1007/s11325-001-0101-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11868148/},
  note = {Source identifier: 11868148}
}