phase IV clinical trial
https://w3id.org/framester/wn/wn30/instances/synset-phase_IV_clinical_trial-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>
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phase IV clinical trial
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00793529-n
phase IV
phase IV clinical trial
100744320
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0
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0
sometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects; during this phase the drug may be tried on slightly different patient populations than those studied in earlier trials
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100793529