API:  http://id.who.int/icd/release/10/2019/C15-C26
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/C15-C26",
    "parent": [
        "http://id.who.int/icd/release/10/2019/C00-C75"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/C15",
        "http://id.who.int/icd/release/10/2019/C16",
        "http://id.who.int/icd/release/10/2019/C17",
        "http://id.who.int/icd/release/10/2019/C18",
        "http://id.who.int/icd/release/10/2019/C19",
        "http://id.who.int/icd/release/10/2019/C20",
        "http://id.who.int/icd/release/10/2019/C21",
        "http://id.who.int/icd/release/10/2019/C22",
        "http://id.who.int/icd/release/10/2019/C23",
        "http://id.who.int/icd/release/10/2019/C24",
        "http://id.who.int/icd/release/10/2019/C25",
        "http://id.who.int/icd/release/10/2019/C26"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/C15-C26",
    "code": "C15-C26",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasms of digestive organs"
    },
    "classKind": "block"
}