API:  http://id.who.int/icd/release/10/2008/Y35-Y36
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/Y35-Y36",
    "parent": [
        "http://id.who.int/icd/release/10/2008/XX"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/Y35",
        "http://id.who.int/icd/release/10/2008/Y36"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/Y35-Y36",
    "code": "Y35-Y36",
    "title": {
        "@language": "en",
        "@value": "Legal intervention and operations of war"
    },
    "classKind": "block"
}
Title: Legal intervention and operations of war
Code:  Y35-Y36

Child

1.  http://id.who.int/icd/release/10/2008/Y35
2.  http://id.who.int/icd/release/10/2008/Y36