Assertion: diazepam's life | /r/HasProperty | the time
Facets:
Source sentences:
text: The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.
text: The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.
text: In fact, the half-life is the time necessary to achieve half the initial concentration.