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                        "unit": "m"
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                        "key": "collection date",
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                        "key": "sequencing method",
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                        "key": "NCBI sample classification",
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                "biosample": "SAMEA3627998",
                "latitude": 41.6585,
                "accession": "ERS935147",
                "analysis-completed": "2017-03-21",
                "collection-date": null,
                "geo-loc-name": "Spain",
                "sample-desc": "river bacterioplankton",
                "environment-biome": "River",
                "environment-feature": "upstream",
                "environment-material": "water",
                "sample-name": "river bacterioplankton",
                "sample-alias": "zarD",
                "host-tax-id": null,
                "species": null,
                "last-update": "2017-03-21T13:41:23"
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}