Classification of glomerulonephritis based on morphology.

@article{Churg1973ClassificationOG,
  title={Classification of glomerulonephritis based on morphology.},
  author={Jacob Churg and James L. Duffy},
  journal={Perspectives in nephrology and hypertension},
  year={1973},
  volume={1 Pt 1},
  pages={43-61}
}