https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0452-3
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https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0425-6
https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0449-y
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https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0447-0
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https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0443-4
https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0448-z
https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0450-5
https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-016-0437-2