Assertion: midwife's role | /r/CapableOf | broaden in part
Facets:
value: to a number of studies
type: TRANSITIVE-OBJECT
value: by the 1970s
type: TEMPORAL
Source sentences:
text: By the 1970s, the role of nurse-midwives began to broaden—thanks, in part, to national certification for nurse-midwives and a number of studies that found positive outcomes and cost savings associated with nurse-midwifery care.