@article{articlef0fb2ff8, title = {Thyroid nodules: evaluation with power Doppler and duplex Doppler ultrasound}, author = {Chammas, Maria Cristina and Gerhard, RenĂª and Oliveira, Ilka Regina Souza de and Widman, Azzo and Barros, Nestor de and Durazzo, Marcelo and Ferraz, Alberto and Cerri, Giovanni Guido}, year = {2005}, doi = {10.1016/j.otohns.2005.02.003}, journal = {Otolaryngology and Head and Neck Surgery} }