@misc{indiciaed1d317ebd8a9,
  title = {"For professional services rendered".},
  author = {G B Griffenhagen},
  year = {1968},
  doi = {10.1016/s0003-0465(16)30829-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5688364/},
  note = {Source identifier: 5688364}
}