@article{thippeswamy hm2012and,
  title={Validity and Reliability of Oral Impacts on Daily
Performances Frequency Scale: A Cross-Sectional
Survey among Adolescents},
  author={usha gv,thippeswamy hm,nagesh l},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={36},
  number={3},
  pages={251--256},
  doi = {10.17796/jcpd.36.3.x563pl1q66u7l068},
  year={2012}
}