API:  http://id.who.int/icd/release/10/2010/H30-H36
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    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/H30-H36",
    "parent": [
        "http://id.who.int/icd/release/10/2010/VII"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/H30",
        "http://id.who.int/icd/release/10/2010/H31",
        "http://id.who.int/icd/release/10/2010/H32",
        "http://id.who.int/icd/release/10/2010/H33",
        "http://id.who.int/icd/release/10/2010/H34",
        "http://id.who.int/icd/release/10/2010/H35",
        "http://id.who.int/icd/release/10/2010/H36"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/H30-H36",
    "code": "H30-H36",
    "title": {
        "@language": "en",
        "@value": "Disorders of choroid and retina"
    },
    "classKind": "block"
}