PT - JOURNAL ARTICLE AU - Junki Mizumoto TI - Crowned dens syndrome: Caution about asymptomatic calcification AID - 10.3949/ccjm.88a.20184 DP - 2021 Apr 01 TA - Cleveland Clinic Journal of Medicine PG - 204--205 VI - 88 IP - 4 4099 - http://www.ccjm.org/content/88/4/204.short 4100 - http://www.ccjm.org/content/88/4/204.full SO - Cleve Clin J Med2021 Apr 01; 88