Expiration

Definition 1

To come to a close or end of useable period; termination. (NCI Thesaurus)

Definition 2

Expelling modified air from the lungs; breathing out. (NCI Thesaurus)

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A coded value specifying the identification of uniform groups of subjects for separate analysis or treatment.

Experimental Unit Status Date

The date (and time) on which the status is assigned to the experimental unit.

Experimental Unit Status Code

A coded value specifying the phase in the lifecycle of the experimental unit.

Experimental Unit Identifier

A unique symbol that establishes identity of the experimental unit.

Experimental Unit

A physical entity which is the primary unit of interest in a specific research objective. In an interventional study, the experimental unit…

Experimental Tumor

Laboratory tumor models used to study tumor development and treatment.