@article{koifman_2016,  title={Normal, abnormal, and inconclusive: has the ultrasound pattern of healthy cervical lymph nodes been defined?},  volume={49},  ISSN={0100-3984},  url={https://doi.org/10.1590/0100-3984.2016.49.5e3},  DOI={10.1590/0100-3984.2016.49.5e3},  number={5},  journal={Radiologia Brasileira},  publisher={Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem},  author={Koifman, Ana Célia Baptista},  year={2016},  month={Sep},  pages={IX–IX} }