@article{DarwishAttia2012,
  author    = {Hany W. Darwish and Mohamed I. Attia},
  title     = {New spectrofluorimetric methods for determination of melatonin in the presence of N-{2-[1-({3-[2-(acetylamino)ethyl]-5-methoxy-1H-indol-2-yl}methyl)-5-methoxy-1H-indol-3-yl]- ethyl}acetamide: a contaminant in commercial melatonin preparations},
  year      = {2012},
}