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Correlation between patients’ reasons for encounters/health problems and population density in Japan: a systematic review of observational studies coded by the International Classification of Health Problems in Primary Care (ICHPPC) and the International Classification of Primary care (ICPC)

Crossref DOI link: https://doi.org/10.1186/s12875-017-0658-5

Published Online: 2017-09-13

Published Print: 2017-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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