Reciprocal changes of serum thyroglobulin and TSH in residents of a moderate endemic goitre area - Fenzi, GF; Ceccarelli, C; Macchia, E; Monzani, F; Bartalena, L; Giani, C; Ceccarelli, P; Lippi, F; Baschieri, L; Pinchera, A (Clin Endocrinol (Oxf), 1985)