array(3) {
  [0]=>
  int(1259)
  [1]=>
  string(252) "<em>Kullmann D. M., Ruiz A., Rusakov D. M., Scott R., Semyanov A., Walker M. C.</em> Presynaptic, extrasynaptic and axonal GABAA receptors in the CNS: where and why? // Progress in Biophysics and Molecular Biology. 2005. Vol. 87, no. 1. P. 8733–8746."
  [2]=>
  int(1)
}
<h1>DB Error 230: Duplicate entry '1259-1' for key 'citations.citations_submission_seq'</h1>