@misc{indiciae31ad8c9f7bb6,
  title = {[Continuous performance control in education and instruction. 3. Experiences in programmed performance control in orthodontics--biostatistical studies on 1097 theoretical performance examination].},
  author = {R Krämer and G Mühlberg},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4512004/},
  note = {Source identifier: 4512004}
}