HELM, Lothar. The Challenge of T1 Contrast Agents for High-Magnetic Field MRI. CHIMIA, [S. l.], v. 65, n. 9, p. 696, 2011. DOI: 10.2533/chimia.2011.696. Disponível em: https://www.chimia.ch/chimia/article/view/2011_696. Acesso em: 29 apr. 2024.