PMC:7454258 / 32443-32662
Annnotations
LitCovid-sentences
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T198 | 20-178 | Sentence | denotes | For US businesses, health care expenditures have increased 15-fold in 50 y, from $79 billion in 1970 to $1180 billion in 2017 (in constant 2017 dollars) (49). |