Rollier Paul, de Montgolfier Sandrine, Dubourg Christèle, Carre Wilfrid, David Véronique, Galibert Marie-Dominique, Quelin Chloe, Fradin Mélanie, Lavillaureix Alinoe, Morel Godelieve, Pasquier Laurent, Odent Sylvie, Jean-Marcais Nolwenn. Scarcity of available information resources for patients and clinicians after a diagnosis of ultra-rare diseases: retrospective on a cohort of 626 individuals with congenital abnormalities and/or intellectual disability. European Journal of Human Genetics. 2022;30(SUPPL 1):583-583.