7Liana Li and David M. l,ubman. Resonance enhanced multiphoton ionization of nucleosides by using pulsed- laser desorption in supersonic beam mass spectrometry. International Journal of Mass Spectrometry and Ion Pro- cesses, 1989, 88(2-3): 197 210.
8Ingrid Luyten, Christpphe Thibaudeau and Chattopad- hyaya. The determination of the ionization constants of C-nucleosides. Tetrahedron, 1997, 53(20): 6903-6906.
9S. Ptasiflska, P. Candori and S. Denifl, et al. Disso- ciative ionization of the nucleosides thymidine and uridine by electron impact. Chemical Physics Letters, 2005, 409(4-6): 270-276.
10Albena T. Dinkova-Kostova, Jed W. Fahey, Stephanie N. Jenkins, et al. Rapid body weight gain increases the risk of UV radiation-induced skin carcinogenesis in SKH-I hairless mice. Nutrition Research, 2008, 28: 539-543.
