API:  http://id.who.int/icd/release/10/2019/D70-D77
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/D70-D77",
    "parent": [
        "http://id.who.int/icd/release/10/2019/III"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/D70",
        "http://id.who.int/icd/release/10/2019/D71",
        "http://id.who.int/icd/release/10/2019/D72",
        "http://id.who.int/icd/release/10/2019/D73",
        "http://id.who.int/icd/release/10/2019/D74",
        "http://id.who.int/icd/release/10/2019/D75",
        "http://id.who.int/icd/release/10/2019/D76",
        "http://id.who.int/icd/release/10/2019/D77"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/D70-D77",
    "code": "D70-D77",
    "title": {
        "@language": "en",
        "@value": "Other diseases of blood and blood-forming organs"
    },
    "classKind": "block"
}