Assertion: lymphocyte's number | /r/HasProperty | added after colon
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Sometimes additional numbers are added after a colon to identify allelic variants that encode identical proteins, and after another colon, other numbers are added to denote polymorphisms in introns or in 5' or 3' untranslated regions (eg, A*02:101:01:02, DRB1*03:01:01:02).