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Negative Contrast Agent
Contrast media that has a lower amplification and intensity than the surrounding tissue making the contrast look less opaque when seen in an x-ray. (NCI Thesaurus)
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Having a surplus of electrons; having a lower electric potential.
A discrete statistical distribution whose variable has two possible values, "success" and "failure," and which describes the number of trials necessary to…
A lymph node in the armpit that is free of cancer.
Involving disadvantage or harm.
Specifies whether an activity did not occur.
An operation in which a term denies or inverts the meaning of another term or construction.
