API:  http://id.who.int/icd/release/10/2019/C30-C39
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    "@id": "http://id.who.int/icd/release/10/2019/C30-C39",
    "parent": [
        "http://id.who.int/icd/release/10/2019/C00-C75"
    ],
    "child": [
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        "http://id.who.int/icd/release/10/2019/C31",
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        "http://id.who.int/icd/release/10/2019/C33",
        "http://id.who.int/icd/release/10/2019/C34",
        "http://id.who.int/icd/release/10/2019/C37",
        "http://id.who.int/icd/release/10/2019/C38",
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    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/C30-C39",
    "code": "C30-C39",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasms of respiratory and intrathoracic organs"
    },
    "inclusion": [
        {
            "label": {
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                "@value": "middle ear"
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