Supplementary iodine fails to reverse hypothyroidism in adolescents and adults with endemic cretinism. - Boyages,S.C.; Halpern,J.P.; Maberly,G.F.; Collins,J.; Jupp,J.; Eastman,C.J.; Jin,C.E.; Gu,Y.H.; Zhou,L. (J Clin Endocrinol Metab, 1990)