API:  http://id.who.int/icd/release/10/2016/C11
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2016/C11",
    "parent": [
        "http://id.who.int/icd/release/10/2016/C00-C14"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2016/C11.0",
        "http://id.who.int/icd/release/10/2016/C11.1",
        "http://id.who.int/icd/release/10/2016/C11.2",
        "http://id.who.int/icd/release/10/2016/C11.3",
        "http://id.who.int/icd/release/10/2016/C11.8",
        "http://id.who.int/icd/release/10/2016/C11.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2016/en#/C11",
    "code": "C11",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasm of nasopharynx"
    },
    "classKind": "category"
}