array(3) {
  [0]=>
  int(14909)
  [1]=>
  string(230) "Fu, J., Caulfield, H. J., Yoo, S.-M., & Atluri, V. Use of Artificial Color filtering to improve iris recognition and searching. Pattern Recognition Letters. 2015. vol. 26. no. 14. pp. 2244–2251. doi:10.1016/j.patrec.2005.03.032."
  [2]=>
  int(14)
}
<h1>DB Error 230: Duplicate entry '14909-14' for key 'citations.citations_submission_seq'</h1>