Assertion: resident's residency | /r/CapableOf | become formalized
Facets:
value: in the early 20th century
type: TEMPORAL
Source sentences:
text: Residencies elsewhere then became formalized and institutionalized for the principal specialties in the early 20th century.
text: Residencies elsewhere then became formalized and institutionalized for the principal specialties in the early 20th century.