Assertion: calcitonin | /r/HasProperty | purified
Facets:
value: in the laboratory
type: LOCATION
value: by cheney
type: OTHER
value: in 1962
type: TEMPORAL
value: by copp
type: OTHER
Source sentences:
text: Calcitonin was first isolated and purified in the laboratory in 1962 by Copp and Cheney.
text: Calcitonin was first isolated and purified in the laboratory in 1962 by Copp and Cheney.