RT Journal Article SR Electronic T1 Triple-Tracer Technique for Measuring Red-Blood-Cell, Plasma and Extracellular-Fluid Volume JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 19 OP 23 VO 9 IS 1 A1 Albert, S. N. A1 Hirsch, E. F. A1 Economopoulos, B. A1 Albert, C. A. YR 1968 UL http://jnm.snmjournals.org/content/9/1/19.abstract AB