Please provide your email address to receive an email when new articles are posted on . Most vitamin D tests are well calibrated, according to the CDC. With improved calibration, sample-specific ...
Vitamin D tests certified by the U.S. Centers for Disease Control and Prevention (CDC) Clinical Standardization Programs (CSP) are well calibrated overall, according to a new study presented Sunday at ...
Some vitamin D tests may give misleading results despite progress made in recent years to improve the quality of these assays, according to the US Centers for Disease Control and Prevention (CDC).