@article{32237,
  author       = {{Sivakumaran, P and Harrison, AC and Marschner, J and Martin, P}},
  issn         = {{0028-8446}},
  journal      = {{N Z Med J}},
  number       = {{1077}},
  pages        = {{428--430}},
  title        = {{{Ocular toxicity from ethambutol: a review of four cases and recommended precautions.}}},
  volume       = {{111}},
  year         = {{1998}},
}

@article{32238,
  author       = {{Sivakumaran, P and Harrison, AC and Marschner, J and Martin, P}},
  issn         = {{0028-8446}},
  journal      = {{N Z Med J}},
  number       = {{1077}},
  pages        = {{428--430}},
  title        = {{{Ocular toxicity from ethambutol: a review of four cases and recommended precautions.}}},
  volume       = {{111}},
  year         = {{1998}},
}