array(3) {
  [0]=>
  int(4231)
  [1]=>
  string(124) "Jousmaki V. Tracking Functions of Cortical Networks on a Millisecond Timescale// Neural Networks. 2000. Vol. 13. P. 883-889."
  [2]=>
  int(1)
}
<h1>DB Error 230: Duplicate entry '4231-1' for key 'citations.citations_submission_seq'</h1>