L’héritage de Mary F. Lyon (1925-2014) Jean-Louis Guénet, Jean-Jacques Panthier, Philip Avner, Edith Heard and Xavier Montagutelli Med Sci (Paris), 31 6-7 (2015) 687-689 Published online: 07 July 2015 DOI: 10.1051/medsci/20153106024