array(2) {
  [0]=>
  int(0)
  [1]=>
  array(12) {
    ["ref_doc_id"]=>
    int(9858076)
    ["publisher_code"]=>
    int(57)
    ["base_code"]=>
    int(26)
    ["book_code"]=>
    int(1)
    ["page"]=>
    string(3) "101"
    ["sort"]=>
    int(309)
    ["body"]=>
    string(102) "1) Brenner, B.M. & Rector, F.C. Jr.:The Kidney. Philadelphia:W. B. Saunders Co., 1986. p. 735-799."
    ["mol"]=>
    NULL
    ["pubmed"]=>
    NULL
    ["doi"]=>
    NULL
    ["group_id"]=>
    int(4)
    ["internal_flag"]=>
    bool(false)
  }
}