RT Journal Article SR Electronic T1 Successful Sonography-Guided Fine-Needle Aspiration Biopsy of a 1-Millimeter-Diameter Papillary Thyroid Microcarcinoma JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1850 A1 D.W. Kim A1 S.H. Kim A1 S.J. Jung YR 2009 UL http://www.ajnr.org/content/early/2009/11/26/ajnr.A1850.abstract AB