@article {17163,
	title = {Comparative studies of natural and recombinant proteins by californium-252 plasma desorption and cesium ion liquid secondary ion mass spectrometry},
	journal = {Analytica chimica acta},
	volume = {241},
	year = {1990},
	pages = {315-320},
	publisher = {Elsevier},
	isbn = {0003-2670},
	author = {Tsarbopoulos, A and Pramanik, BN and Nagabhushan, TL and Trotta, PP and Siegel, MM and Tsao, R and Doelling, VW}
}
