array(2) {
  [0]=>
  int(0)
  [1]=>
  array(12) {
    ["ref_doc_id"]=>
    int(9804255)
    ["publisher_code"]=>
    int(56)
    ["base_code"]=>
    int(37)
    ["book_code"]=>
    int(1)
    ["page"]=>
    string(3) "101"
    ["sort"]=>
    int(198)
    ["body"]=>
    string(125) "1) Prior SG, Napolitano C, Schwartz PJ:Cardiac receptor activation and arrhythmogenesis. Eur Heart J 14 (suppl E):20-26, 1993"
    ["mol"]=>
    NULL
    ["pubmed"]=>
    NULL
    ["doi"]=>
    NULL
    ["group_id"]=>
    int(4)
    ["internal_flag"]=>
    bool(false)
  }
}