API:  http://id.who.int/icd/release/10/2010/G90-G99
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/G90-G99",
    "parent": [
        "http://id.who.int/icd/release/10/2010/VI"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/G90",
        "http://id.who.int/icd/release/10/2010/G91",
        "http://id.who.int/icd/release/10/2010/G92",
        "http://id.who.int/icd/release/10/2010/G93",
        "http://id.who.int/icd/release/10/2010/G94",
        "http://id.who.int/icd/release/10/2010/G95",
        "http://id.who.int/icd/release/10/2010/G96",
        "http://id.who.int/icd/release/10/2010/G97",
        "http://id.who.int/icd/release/10/2010/G98",
        "http://id.who.int/icd/release/10/2010/G99"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/G90-G99",
    "code": "G90-G99",
    "title": {
        "@language": "en",
        "@value": "Other disorders of the nervous system"
    },
    "classKind": "block"
}