@misc{indiciae63ad4de369a9,
  title = {The collarless metal-ceramic crown.},
  author = {C J Goodacre and N B Van Roekel and R W Dykema and R B Ullmann},
  year = {1977},
  doi = {10.1016/0022-3913(77)90004-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/340650/},
  note = {Source identifier: 340650}
}