API:  http://id.who.int/icd/release/10/2019/R29
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/R29",
    "parent": [
        "http://id.who.int/icd/release/10/2019/R25-R29"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/R29.0",
        "http://id.who.int/icd/release/10/2019/R29.1",
        "http://id.who.int/icd/release/10/2019/R29.2",
        "http://id.who.int/icd/release/10/2019/R29.3",
        "http://id.who.int/icd/release/10/2019/R29.4",
        "http://id.who.int/icd/release/10/2019/R29.6",
        "http://id.who.int/icd/release/10/2019/R29.8"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/R29",
    "code": "R29",
    "title": {
        "@language": "en",
        "@value": "Other symptoms and signs involving the nervous and musculoskeletal systems"
    },
    "classKind": "category"
}