PT - JOURNAL ARTICLE AU - David Birnie TI - Letter to editor re "Waxing and Waning Presentation of Isolated Cardiac Sarcoidosis on Sequential 18F-FDG-PET Exams" AID - 10.2967/jnmt.120.254276 DP - 2020 Sep 01 TA - Journal of Nuclear Medicine Technology PG - jnmt.120.254276 4099 - http://tech.snmjournals.org/content/early/2020/09/03/jnmt.120.254276.short 4100 - http://tech.snmjournals.org/content/early/2020/09/03/jnmt.120.254276.full