Preferred Label : Additional Description of Duration;
NCIt definition : A narrative providing additional details about the duration of a participant's use
of a trial intervention or their planned participation time in the trial.;
Alternative definition : ICH: A narrative providing additional details about the duration of an participant's
use of a trial intervention or their planned participation time in the trial.;
Codes from synonyms : ICH M11-Section 1;
Origin ID : C218838;
concept_is_in_subset
