API:  http://id.who.int/icd/release/10/2010/D37
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/D37",
    "parent": [
        "http://id.who.int/icd/release/10/2010/D37-D48"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/D37.0",
        "http://id.who.int/icd/release/10/2010/D37.1",
        "http://id.who.int/icd/release/10/2010/D37.2",
        "http://id.who.int/icd/release/10/2010/D37.3",
        "http://id.who.int/icd/release/10/2010/D37.4",
        "http://id.who.int/icd/release/10/2010/D37.5",
        "http://id.who.int/icd/release/10/2010/D37.6",
        "http://id.who.int/icd/release/10/2010/D37.7",
        "http://id.who.int/icd/release/10/2010/D37.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/D37",
    "code": "D37",
    "title": {
        "@language": "en",
        "@value": "Neoplasm of uncertain or unknown behaviour of oral cavity and digestive organs"
    },
    "classKind": "category"
}