@misc{indiciaed94312580431,
  title = {Continuing education--is it necessary?},
  author = {N L Hilliard},
  year = {1976},
  doi = {10.1016/s0003-0465(16)33540-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/1270732/},
  note = {Source identifier: 1270732}
}