PT - JOURNAL ARTICLE AU - Charles Hayter TI - Marigolds in the CT scanner AID - 10.1503/cmaj.210224 DP - 2021 Jul 19 TA - Canadian Medical Association Journal PG - E1094--E1095 VI - 193 IP - 28 4099 - http://www.cmaj.ca/content/193/28/E1094.short 4100 - http://www.cmaj.ca/content/193/28/E1094.full SO - CMAJ2021 Jul 19; 193