Assertion: sertraline | /r/AtLocation | the u.s. market
Facets:
value: in 1991
type: TEMPORAL
value: by pfizer
type: OTHER
value: in 1994
type: TEMPORAL
Source sentences:
text: Zoloft was introduced to the U.S. market by Pfizer in 1991, to the Australian market in 1994 and became the most often prescribed antidepressant in 1996.