Coronary artery calcium (CAC) score for cardiovascular risk stratification in a Thai clinical cohort: A comparison of absolute scores and age-sex-specific percentiles oleh Supitcha Kitjanukit, Srun Kuanprasert, Pannipa Suwannasom, Arintaya Phrommintikul, Pakpoom Wongyikul, Phichayut Phinyo