RT Journal Article SR Electronic T1 Artifact or Filling Defect JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 18 OP 19 VO 1 IS 3 A1 Bostrom, Stephen E. YR 1973 UL http://tech.snmjournals.org/content/1/3/18.abstract AB