RT Journal Article SR Electronic T1 Biological Implications of Metals in the Environment JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 571 OP 571 VO 19 IS 5 A1 Logsdon, Donald F. YR 1978 UL http://jnm.snmjournals.org/content/19/5/571.1.abstract AB