@article {76013,
	title = {Membrane electrodes for the determination of pyridostigmine bromide },
	journal = {J. AOAC int},
	volume = {92},
	year = {2009},
	pages = {1631-1638},
	author = {A.M. El-Kosasy and M. Y. Salem and M. G. El-Bardicy and M. K. Abd El-Rahman}
}
