A New Sign To Identify 1rst Trimester Severe Retrognatism: The Mandibular Staple Sign.
Authors: Jean-Eric Morice, Department gyneco obstetrique CHU Nord Marseille Nathalie Frandji, Maternité CHU Nord Marseille France Georges HADDAD, Maternite CHU Tours Florence Bretelle, Maternité CHU La Timone Marseille France