BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 23, no. 2, page. 267 - 270, 2002-02-20
JOURNAL OF NEUROIMAGING, vol. 14, no. 4, page. 365 - 368, 2004-10
JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, vol. 8, no. 4, page. 319 - 326, 1997-04
JOURNAL OF PHYSICAL CHEMISTRY, vol. 100, no. 20, page. 8280 - 8284, 1996-05-16
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, vol. 157, page. 345 - 355, 1996-12-20