Assertion: acupuncture | /r/HasAspect | its roots
Facets:
value: in ancient times
type: TEMPORAL
Source sentences:
text: Although acupuncture has its roots in ancient times before modern scientific methods were available with which to study it, many important studies have been done to indicate how acupuncture works and what physiologic mechanisms are involved in its actions.
text: Although acupuncture has its roots in ancient times before modern scientific methods were available with which to study it, many important studies have been done to indicate how acupuncture works and what physiologic mechanisms are involved in its actions.