RT Journal Article SR Electronic T1 A Modified Method for the In Vivo Labeling of Red Blood Cells with Tc-99m: Concise Communication JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 315 OP 318 VO 23 IS 4 A1 Ronald J. Callahan A1 Jerry W. Froelich A1 Kenneth A. McKusick A1 Jeffrey Leppo A1 H. William Strauss YR 1982 UL http://jnm.snmjournals.org/content/23/4/315.abstract AB