IR and Raman study on the interactions of the 5?-GMP and 5?-CMP phosphate groups with Mg(II), Ca(II), Sr(II), Ba(II), Cr(III), Co(II), Cu(II), Zn(II), Cd(II), Al(III) and Ga(III) - De La Fuente, M.; Hernanz, A.; Navarro, R. (Journal of Biological Inorganic Chemistry, 2004)