API:  http://id.who.int/icd/release/10/2008/O60-O75
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        "http://id.who.int/icd/release/10/2008/O65",
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        "http://id.who.int/icd/release/10/2008/O69",
        "http://id.who.int/icd/release/10/2008/O70",
        "http://id.who.int/icd/release/10/2008/O71",
        "http://id.who.int/icd/release/10/2008/O72",
        "http://id.who.int/icd/release/10/2008/O73",
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    ],
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    "code": "O60-O75",
    "title": {
        "@language": "en",
        "@value": "Complications of labour and delivery"
    },
    "classKind": "block"
}