RT Journal Article SR Electronic T1 Reference Range Determination: The Problem of Small Sample Sizes JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2306 OP 2310 VO 32 IS 12 A1 Leslie, W.D. A1 Greenberg, I.D. YR 1991 UL http://jnm.snmjournals.org/content/32/12/2306.abstract AB