Assertion: nph insulin | /r/HasProperty | effective
Facets:
value: for about 12 to 16 hours
type: TEMPORAL
Source sentences:
text: NPH insulin (Humulin N, Novolin N) is an intermediate-acting insulin that usually reaches the bloodstream about 1 to 3 hours after injection, peaks 4 to 12 hours later, and is effective for about 12 to 16 hours.