RT Journal Article SR Electronic T1 Fluorine-18-Labeled Androgens: Radiochemical Synthesis and Tissue Distribution Studies on Six Fluorine-Substituted Androgens, Potential Imaging Agents for Prostatic Cancer JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 724 OP 734 VO 33 IS 5 A1 Aijun Liu A1 Carmen S. Dence A1 Michael J. Welch A1 John A. Katzenellenbogen YR 1992 UL http://jnm.snmjournals.org/content/33/5/724.abstract AB