API:  http://id.who.int/icd/release/10/2019/J09-J18
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/J09-J18",
    "parent": [
        "http://id.who.int/icd/release/10/2019/X"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/J09",
        "http://id.who.int/icd/release/10/2019/J10",
        "http://id.who.int/icd/release/10/2019/J11",
        "http://id.who.int/icd/release/10/2019/J12",
        "http://id.who.int/icd/release/10/2019/J13",
        "http://id.who.int/icd/release/10/2019/J14",
        "http://id.who.int/icd/release/10/2019/J15",
        "http://id.who.int/icd/release/10/2019/J16",
        "http://id.who.int/icd/release/10/2019/J17",
        "http://id.who.int/icd/release/10/2019/J18"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/J09-J18",
    "code": "J09-J18",
    "title": {
        "@language": "en",
        "@value": "Influenza and pneumonia"
    },
    "classKind": "block"
}