PMC:7340764 / 857-945 JSONTXT

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    LitCovid-PMC-OGER-BB

    {"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1","span":{"begin":33,"end":46},"obj":"UBERON:0000467"},{"id":"T58197","span":{"begin":33,"end":46},"obj":"UBERON:0000467"}],"text":"nst core components of PHC \u0026 the health system functions. The article reviews the progre"}