@misc{indiciaeeeb06548adbd,
  title = {Direct restorative materials. What goes where?},
  author = {Gordon J Christensen},
  year = {2003},
  doi = {10.14219/jada.archive.2003.0056},
  url = {https://pubmed.ncbi.nlm.nih.gov/14620021/},
  note = {Source identifier: 14620021}
}