Indentation tonometry of breasts.

@article{Hayes1979IndentationTO,
  title={Indentation tonometry of breasts.},
  author={Helen Hayes and Peter McLeod},
  journal={Plastic and reconstructive surgery},
  year={1979},
  volume={63 1},
  pages={13-8}
}
We present an indentation tonometer for use in measuring the softness or firmness of human, female breasts. It provides objective measurements which are consistently reproducible.