API:  http://id.who.int/icd/release/10/2008/A20-A28
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/A20-A28",
    "parent": [
        "http://id.who.int/icd/release/10/2008/I"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/A20",
        "http://id.who.int/icd/release/10/2008/A21",
        "http://id.who.int/icd/release/10/2008/A22",
        "http://id.who.int/icd/release/10/2008/A23",
        "http://id.who.int/icd/release/10/2008/A24",
        "http://id.who.int/icd/release/10/2008/A25",
        "http://id.who.int/icd/release/10/2008/A26",
        "http://id.who.int/icd/release/10/2008/A27",
        "http://id.who.int/icd/release/10/2008/A28"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/A20-A28",
    "code": "A20-A28",
    "title": {
        "@language": "en",
        "@value": "Certain zoonotic bacterial diseases"
    },
    "classKind": "block"
}