RT Journal Article SR Electronic T1 Nuclear Medicine vs Ultrasound JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1138 OP 1139 VO 18 IS 11 A1 Taylor, K. J. W. A1 Rosenfeld, Arthur T. YR 1977 UL http://jnm.snmjournals.org/content/18/11/1138.2.abstract AB