API:  http://id.who.int/icd/release/10/2019/P90-P96
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/P90-P96",
    "parent": [
        "http://id.who.int/icd/release/10/2019/XVI"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/P90",
        "http://id.who.int/icd/release/10/2019/P91",
        "http://id.who.int/icd/release/10/2019/P92",
        "http://id.who.int/icd/release/10/2019/P93",
        "http://id.who.int/icd/release/10/2019/P94",
        "http://id.who.int/icd/release/10/2019/P95",
        "http://id.who.int/icd/release/10/2019/P96"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/P90-P96",
    "code": "P90-P96",
    "title": {
        "@language": "en",
        "@value": "Other disorders originating in the perinatal period"
    },
    "classKind": "block"
}