Start Relative to Reference Period

Cancer Terms -> Properties or Attributes -> Qualifier -> Temporal Modifier -> Period -> Reference Period -> Start Relative to Reference Period

Start Relative to Reference Period Definition

An indication or description that the start of the observation is before, during or after a reference time interval.

Start Relative to Reference Period Synonyms

Start Relative to Reference Period, STRF

Terms in Start Relative to Reference Period category

Concomitant Medication Use Start Relative to Reference Period
Substance Use Start Relative to Reference Period

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