Pulmonary hemosiderosis in children with Down syndrome: a national experience oleh Aurelia Alimi, Jessica Taytard, Rola Abou Taam, Véronique Houdouin, Aude Forgeron, Marc Lubrano Lavadera, Pierrick Cros, Isabelle Gibertini, Jocelyne Derelle, Antoine Deschildre, Caroline Thumerelle, Ralph Epaud, Philippe Reix, Michael Fayon, Sylvie Roullaud, Françoise Troussier, Marie-Catherine Renoux, Jacques de Blic, Sophie Leyronnas, Guillaume Thouvenin, Caroline Perisson, Aimé Ravel, Annick Clement, Harriet Corvol, Nadia Nathan, for the French RespiRare® group