PMC:7105881 / 2916-2961
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"32265848-22278237-36510950","span":{"begin":15,"end":19},"obj":"22278237"},{"id":"32265848-24227844-36510951","span":{"begin":21,"end":25},"obj":"24227844"},{"id":"32265848-25759498-36510952","span":{"begin":38,"end":42},"obj":"25759498"}],"text":"et al., 2009a, 2012, 2014; Ma et al., 2015). "}