RT Journal Article SR Electronic T1 Carcinoembryonic Antigen: Assay Following Heat Compared with Perchloric Acid Extraction in Patients with Colon Cancer, Non-neoplastic Gastrointestinal Diseases, or Chronic Renal Failure JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 916 OP 921 VO 24 IS 10 A1 Lynn R. Witherspoon A1 Stanton E. Shuler A1 Kristin Alyea A1 Fred E. Husserl YR 1983 UL http://jnm.snmjournals.org/content/24/10/916.abstract AB