Thyroid blood flow evaluation by color-flow Doppler sonography distinguishes Graves' disease from Hashimoto's thyroiditis. - Vitti,P.; Rago,T.; Mazzeo,S.; Brogioni,S.; Lampis,M.; DeLiperi,A.; Bartolozzi,C.; Pinchera,A.; Martino,E. (J Endocrinol Invest, 1995)