The C105fs114X is the prevalent thyrotropin beta-subunit gene mutation in Argentinean patients with congenital central hypothyroidism. - Domene,H.M.; Gruneiro-Papendieck,L.; Chiesa,A.; Iorcansky,S.; Herzovich,V.C.; Papazian,R.; Forclaz,V.; Prieto,L.; Sanso,G.; Scaglia,P.; Bre,M.; Chamoux,A.; et al. (Horm Res, 2004)