Undetectable sensitive serum thyroglobulin (<0.1 ng/ml) in 163 patients with follicular cell-derived thyroid cancer: results of rhTSH stimulation and neck ultrasonography and long-term biochemical and clinical follow-up - Chindris, A M; Diehl, N N; Crook, J E; Fatourechi, V; Smallridge, R C (J Clin Endocrinol Metab, 2012)