Yes, you can see cartilage with X-rays; diffraction enhanced X-ray imaging for soft and hard tissues.

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@article{Muehleman2004YesYC, title={Yes, you can see cartilage with X-rays; diffraction enhanced X-ray imaging for soft and hard tissues.}, author={C Muehleman and J Li and M Wernick and J Brankov and K Kuettner and Z Zhong}, journal={Journal of musculoskeletal & neuronal interactions}, year={2004}, volume={4 4}, pages={369-70} }