1. Differentiation of benign from malignant superficial lymphadenopathy;Vassallo,1992
2. Grey-scale sonography in assessment of cervical lymphadenopathy;Ahuja,2000
3. In-vitro high-resolution ultrasonography of benign and malignant lymph nodes. A sonographic-pathologic correlation;Vassallo,1993
4. Evaluation of abdominal lymph nodes by ultrasound;Smeets,2000
5. Sonography of abnormal lymph nodes in vitro;Rubaltelli,1990