RT Journal Article SR Electronic T1 In Vivo Labeling of Red Blood Cells with 99mTc: A New Approach to Blood Pool Visualization JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 305 OP 308 VO 18 IS 3 A1 Dan G. Pavel A1 A. Michael Zimmer A1 Virginia N. Patterson YR 1977 UL http://jnm.snmjournals.org/content/18/3/305.abstract AB