TY - JOUR AU - Cappelli, C; Castellano, M; Pirola, I TI - Thyroid nodule shape suggests malignancy JO - Eur J Endocrinol VL - 155 PY - 2006 DO - 10.1530/eje.1.02177 L3 - PubMed-ID: 16793946 SP - 27 EP - 31 N1 - et al. ER -