Reference/Citations:
Ref: Clark-Lewis, I. et al. J. Biol. Chem. 266, 15180 (1991); Nam, H. et al. J. Chromatogr A. 976, 79 ( 2002); Sommer, F. et al. Int. J. Impot. Res. 14, 217 (2002); Lents, NH. et al. Ann. N.Y. Acad. Sci. 973, 265 (2002); Kameshita, I. et al. J. Biochem. (Tokyo) 122, 168 (1997); Daeipour, M. et. al.