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    ["ref_doc_id"]=>
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    ["publisher_code"]=>
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    ["base_code"]=>
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    ["book_code"]=>
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    ["page"]=>
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    ["sort"]=>
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    ["body"]=>
    string(142) "1) I.B.Stern, FG.Everett and K.Robicsek S. Robicsek A pioneer in the surgical treatment of periodontal disease. J Periodontol 36:265-268, 1965"
    ["mol"]=>
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    ["pubmed"]=>
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    ["doi"]=>
    string(25) "10.1902/jop.1965.36.4.264"
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}