PMC:1540739 / 15029-15031 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T11872","span":{"begin":0,"end":2},"obj":"NN"}],"text":"TK"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T11436","span":{"begin":0,"end":2},"obj":"GO_PR_EXT:thymidine_kinase"}],"text":"TK"}