autores Paula Margarida Vidigal Soares Teixeira Ferreira Fontes, André Cerejeira Karimib, Shima Karimi, Shima Ferreira, Paula M. T. Helm, Lothar André, João P.
palavras-chave Chelates Contrast agents DOTA Gadolinium Imaging agents Lanthanides Ligand design MRI Macrocyclic ligands PEG