| Health / Medical Topics |
Observed
Ascertained or determined through monitoring or observation. (NCI Thesaurus)
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A coded value specifying the temporal relationship of observation period to time of subject enrollment.
A coded value specifying the process used to define a representative set of a population for a study.
An action plan of a pre-clinical or clinical study in which biomedical and/or health outcomes are assessed in pre-defined groups of…
A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome…
The first day of an observation.
The date and time of the beginning of an observation.
