@article{kumar a2012measurement,
  title={Clinical Measurement of Maximal Mouth Opening in Children: A Pioneer Method},
  author={kumar a,dutta s,singh j,mehta r,hooda a,namdev r},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={37},
  number={2},
  pages={171--176},
  doi = {10.17796/jcpd.37.2.l17x8227682j5610},
  year={2012}
}