Genetic atypical hemolytic uremic syndrome in children: a 20-year experience from a tertiary center oleh Cristiana Maximiano, Andreia Silva, Inês Duro, Tiago Branco, Liane Correia-Costa, Ana Teixeira, Liliana Rocha, Teresa Costa, Paula Matos, Maria do Sameiro Faria, Conceição Mota, Alberto Caldas Afonso