RT Journal Article SR Electronic T1 Limitations of Conventional Internal Dosimetry at the Cellular Level JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1856 OP 1864 VO 30 IS 11 A1 G. Mike Makrigiorgos A1 S. James Adelstein A1 Amin I. Kassis YR 1989 UL http://jnm.snmjournals.org/content/30/11/1856.abstract AB