{
    "abstract": null,
    "authors": [
        {
            "affiliation": null,
            "firstname": "D W",
            "initials": "DW",
            "lastname": "Keller"
        }
    ],
    "conclusions": null,
    "copyrights": null,
    "doi": null,
    "journal": "California medicine",
    "keywords": [],
    "methods": null,
    "publication_date": "1972-04-01",
    "pubmed_id": "5019100\n4873495\n5789388",
    "results": null,
    "title": "Minimum evaluation of non-pregnant patients with secondary amenorrhea or oligomenorrhea.",
    "xml": "<Element 'PubmedArticle' at 0x788503fd6890>"
}