PMC:7675688 / 8663-8885 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T76","span":{"begin":0,"end":222},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Data on health-related factors were obtained from a number of existing clinical Military Health System data sources, including the Armed Forces Health Longitudinal Technology Application and Military Health System Genesis."}