题目:Fourier transform ion cyclotron resonance mass spectrometry using atmospheric pressure photoionization for high-resolution analyses of corticosteroids 作者:Greig, M. J.; Bolanos, B.; Quenzer, T.; Bylund, J. M. R. 期刊:Rapid Commun. Mass Spectrom. 年卷:2003, 17, 页码:2763-2768.