diamond(redirected from 4-C's of Diamond Grading)
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L. S., U.S. researcher, b. 1920. See: Diamond TYM medium.
Conclusion The range of global variation in the incidence of childhood type 1 diabetes is larger than previously described and appears to follow ethnic and racial distribution
n a crystalline carbon substance, the hardest natural substance known, used industrially and in dentistry for cutting and grinding.