RT Journal Article SR Electronic T1 Three Decades of Scientific Liaison between Oak Ridge and Bonn JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1765 OP 1767 VO 30 IS 11 A1 H.J. Biersack A1 F.F. Knapp, Jr. A1 C. Winkler YR 1989 UL http://jnm.snmjournals.org/content/30/11/1765.abstract AB