Assertion: thc's range | /r/HasProperty | 30 min
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Source sentences:
text: Administration of a single 2.5 mg dose of dronabinol in healthy volunteers was associated with a mean plasma Δ9-THC C max of 0.7 ng/mL (range: 0.3 - 1 ng/mL), and a mean time to peak plasma Δ9-THC concentration of 2 h (range: 30 min - 4 h)Reference 227.