{"species":"Homo sapiens",
    "c":[
      {"stage":"Adult",
        "d":[
          {"organ":"Brain",
            "r":[
              {"reference":"Test1"}
            ]},
          {"organ":"Heart",
            "r":[
              {"reference":"Test1"}
            ]},
          {"organ":"Liver",
            "r":[
              {"reference":"Test1"}
            ]},
        ]},
        {"stage":"18m",
        "d":[
          {"organ":"Brain2",
            "r":[
              {"reference":"Test1"}
            ]},
          {"organ":"Heart2",
            "r":[
              {"reference":"Test1"}
            ]},
          {"organ":"Liver2",
            "r":[
              {"reference":"Test1"}
            ]},
        ]},
        {"stage":"24m",
        "d":[
          {"organ":"Brain",
            "r":[
              {"reference":"Test123"}
            ]},
          {"organ":"Heart",
            "r":[
              {"reference":"Test156"}
            ]},
          {"organ":"Liver",
            "r":[
              {"reference":"Test194"}
            ]},
        ]}
    ]},
    {"species":"Mus musculus",
    "c":[
      {"stage":"Adult",
        "d":[
          {"organ":"Brain",
            "r":[
              {"reference":"Test9"}
            ]},
          {"organ":"Heart",
            "r":[
              {"reference":"Test8"}
            ]},
          {"organ":"Liver",
            "r":[
              {"reference":"Test7"}
            ]},
        ]},
        {"stage":"18m",
        "d":[
          {"organ":"Brain2",
            "r":[
              {"reference":"Test12"}
            ]},
          {"organ":"Heart2",
            "r":[
              {"reference":"Test13"}
            ]},
          {"organ":"Liver2",
            "r":[
              {"reference":"Test14"}
            ]},
        ]},
        {"stage":"24m",
        "d":[
          {"organ":"Brain",
            "r":[
              {"reference":"Test12378"}
            ]},
          {"organ":"Heart",
            "r":[
              {"reference":"Test15689"}
            ]},
          {"organ":"Liver",
            "r":[
              {"reference":"Test19489"}
            ]},
        ]}
    ]}