Picture talk-effective communication with participants as a critical element in oral health research.

@article{Dale2003PictureTC,
  title={Picture talk-effective communication with participants as a critical element in oral health research.},
  author={Beverly A. Dale and Patricia Stocking Stocking Brown and Norma J Wells},
  journal={Journal of dental research},
  year={2003},
  volume={82 9},
  pages={669-70}
}