Sá, M.J., Basílio, C., Capela, C., Cerqueira, J.J., Mendes, I., Morganho, A., Correia de Sá, J., Salgado, V., Martins Silva, A., Vale, J. and Sousa, L. 2023. Consensus for the Early Identification of Secondary Progressive Multiple Sclerosis in Portugal: a Delphi Panel. Acta Médica Portuguesa. 36, 3 (Feb. 2023), 167–173. DOI:https://doi.org/10.20344/amp.18543.