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Start Rule
An axiom that indicates the start of an event, visit or study element. (NCI Thesaurus)
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An indication or description that the start of the observation is before, during or after a reference moment in time.
An indication or description that the start of the observation is before, during or after a reference time interval.
A coded value specifying when this event started with respect to the sponsor-defined reference period.
Indicates the beginning action of a procedure.
The date and time of the beginning of a dosing interval.
An autosomal recessive and rarely autosomal dominant inherited disorder caused by mutations in the ABCA4 or ELOVL4 genes respectively. It is characterized…
