{ "best_oa_location": null, "data_standard": 2, "doi": "10.1021/ac00118a028", "doi_url": "https://doi.org/10.1021/ac00118a028", "genre": "journal-article", "is_oa": false, "journal_is_in_doaj": false, "journal_is_oa": false, "journal_issns": "0003-2700,1520-6882", "journal_name": "Analytical Chemistry", "oa_locations": [], "published_date": "1995-11-01", "publisher": "American Chemical Society (ACS)", "title": "Extraction of Serum and Urine Calcium with Ion Exchange Membrane Filters for Isotope Enrichment Determination Using Thermal Ionization Mass Spectrometry", "updated": "2018-04-15T10:00:51.992363", "x_reported_noncompliant_copies": [], "year": 1995, "z_authors": [ { "family": "Vieira", "given": "Nancy E." }, { "family": "Yergey", "given": "Alfred L." } ] }