Intra-articular localized nodular synovitis of the knee.

@article{Fraire1972IntraarticularLN,
  title={Intra-articular localized nodular synovitis of the knee.},
  author={Armando E. Fraire and Robert E. Fechner},
  journal={Archives of pathology},
  year={1972},
  volume={93 5},
  pages={473-6}
}