@article{jonsson_malmgren_levander_2007, 
  title={Long-term follow-up of tooth mobility in maxillary incisors with orthodontically induced apical root resorption}, 
  volume={29}, 
  DOI={10.1093/ejo/cjm047}, 
  publisher={Oxford University Press (OUP)}, 
  author={Jonsson and Malmgren and Levander}, 
  year={2007}, 
  month={Oct}
  }