Variations in the crystalline components of human dental calculus. I. Crystallographic and spectroscopic methods of analysis.
D001031:Apatites / Q000032:analysis*; D002118:Calcium / Q000032:analysis*; D002130:Calcium Phosphates / Q000032:analysis*; D002623:Chemistry Techniques, Analytical; D003461:Crystallography; D003728:Dental Calculus; D003743:Dental Enamel / Q000032:analysis; D003804:Dentin / Q000032:analysis; D006801:Humans; D013055:Spectrophotometry, Infrared; D014961:X-Ray Diffraction
D001031:Apatites; D002130:Calcium Phosphates; D002118:Calcium