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rapid-onset opioid
An opioid that relieves pain quickly. Opioids are drugs similar to opiates such as morphine and codeine but do not contain and are not made from opium.
Previous Definitions:
ranpirnase
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Rapamune
,
rapamycin
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rapid eye movement sleep
,
rapid hormone cycling
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Raptiva
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ras gene
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ras peptide
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rasburicase
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rattlesnake root
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