Preferred Label : Start Relative to Reference Period;
NCIt related terms : STRF;
NCIt definition : An indication or description that the start of the observation is before, during or
after a reference time interval.;
Origin ID : C82559;
UMLS CUI : C2826290;
- Automatic exact mappings (from CISMeF team)
- Semantic type(s)
- concept_is_in_subset