@article{
  author = {Niazi, Ali, Janforozadeh, Elham, Momeni-Isfahani, Tahereh, Khorshidi, Neda},
  title = {Simultaneous spectrophotometric determination of ampicillin and penicillin in human plasma using multivariate calibration},
  journal = {Journal of the Iranian Chemical Research},
  year = {2012},
  volume = {5},
  number = {1},
  pages = {1-7},
  doi = {}
}