Expansion of regulatory T cells in patients with Langerhans cell histiocytosis. oleh Brigitte Senechal, Gaelle Elain, Eric Jeziorski, Virginie Grondin, Natacha Patey-Mariaud de Serre, Francis Jaubert, Kheira Beldjord, Arielle Lellouch, Christophe Glorion, Michel Zerah, Pierre Mary, Mohammed Barkaoui, Jean Francois Emile, Liliane Boccon-Gibod, Patrice Josset, Marianne Debré, Alain Fischer, Jean Donadieu, Frederic Geissmann