@misc{indiciae6dc5d80e501f,
  title = {Mandibular overdentures supported by two or four endosteal implants. A prospective, comparative study.},
  author = {R H Batenburg and G M Raghoebar and R P Van Oort and K Heijdenrijk and G Boering},
  year = {1998},
  doi = {10.1016/s0901-5027(98)80032-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/9869282/},
  note = {Source identifier: 9869282}
}