PMC:7537094 / 29274-29415 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T70618","span":{"begin":131,"end":132},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Among 79 countries, the Philippines ranked the lowest in reading and the 2nd lowest in both mathematics and science.26 Schleicher, A. (2019)."}

{"project":"LitCovid-sentences","denotations":[{"id":"T217","span":{"begin":0,"end":141},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Among 79 countries, the Philippines ranked the lowest in reading and the 2nd lowest in both mathematics and science.26 Schleicher, A. (2019)."}