| COD | cause of death; cerebro-ocular dysplasia; chemical oxygen demand; codeine; condition on discharge |
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| CRB | chemical, radiological, and biological; congenital retinal blindness |
| CSA | Canadian Standards Association; canavaninosuccinic acid; carbonyl salicylamide; cell surface antigen... |
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| CSIN | Chemical Substances Information Network |
| evolution, chemical | Chemical and physical transformation of the biogenic elements from their nucleosynthesis in stars to their incorporation and subsequent modification in planetary bodies and terrestrial biochemistry. It includes the mechanism of incorporation of biogenic elements into complex molecules and molecular systems, leading up to the origin of life. (12 Dec 1998) |
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