Assertion: sulfa drug | /r/HasSubevent | a 24 to 36 percent decline
Facets:
value: in maternal mortality
type: OTHER
Source sentences:
text: Using time-series and difference-in-differences methods, we find that sulfa drugs led to a 24 to 36 percent decline in maternal mortality, 17 to 32 percent decline in pneumonia mortality, and 52 to 65 percent decline in scarlet fever mortality between 1937 and 1943.