Assertion: blood clot | /r/AtLocation | people
Facets:
value: most often
type: DEGREE
value: over age
type: OTHER
Source sentences:
text: Blood clots (also called deep vein thrombosis [throm-BO-sis]) most often occur in people who can't move around well or who have had recent surgery or an injury.
text: Blood clots can occur at any age but occur most often in people over age 60.