Biophysical studies of the normal nail.
D002118:Calcium / Q000032:analysis*; D006801:Humans; D007633:Keratins / Q000032:analysis*; D008853:Microscopy; D008854:Microscopy, Electron; D009262:Nails / Q000166:cytology*; D013057:Spectrum Analysis; D014961:X-Ray Diffraction
D007633:Keratins; D002118:Calcium