array(2) {
  [0]=>
  int(0)
  [1]=>
  array(12) {
    ["ref_doc_id"]=>
    int(9824673)
    ["publisher_code"]=>
    int(56)
    ["base_code"]=>
    int(79)
    ["book_code"]=>
    int(1)
    ["page"]=>
    string(3) "104"
    ["sort"]=>
    int(115)
    ["body"]=>
    string(213) "1) Huggins, C. and Hodges, C. V.:Studies on prostate cancer I:the effect of castration, of estrogen, of androgen injection on serum phosphatases in metastatic carcinoma of the prostate. Cancer Res. 1:293-297, 1941"
    ["mol"]=>
    NULL
    ["pubmed"]=>
    NULL
    ["doi"]=>
    NULL
    ["group_id"]=>
    int(4)
    ["internal_flag"]=>
    bool(false)
  }
}