PMC:2700745 / 17170-17220
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"19176218-18601954-3579183","span":{"begin":45,"end":49},"obj":"18601954"},{"id":"19176218-18601954-3579183","span":{"begin":45,"end":49},"obj":"18601954"}],"text":"Influenza A H1N1 strains BALB/c Smee et al. (2008)"}