RT Journal Article SR Electronic T1 Rib Erasure Utilizing Nine-Point Smoothing JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 68 OP 69 VO 17 IS 1 A1 Jack L. Lancaster A1 Ernest M. Stokely YR 1976 UL http://jnm.snmjournals.org/content/17/1/68.abstract AB