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Upcoming holiday closures 

Quest Patient Service Centers will be closed on Friday, July 3 and Saturday, July 4, 2026, in observance of Independence Day, and to give our frontline team the time to recharge. Don't let the holiday interrupt your care. Plan your visit today.

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Free T4 Age-Specific Reference Intervals from Birth to the 10th Decade of Life Using Direct Dialysis

Free T4 Age-Specific Reference Intervals from Birth to the 10th Decade of Life Using Direct Dialysis

Authors: Bi C, Schindler EI, Li EM, Shirvani M, Marcelli M, Wong EC, Clarke NJ, Wu Z

Citation: Thyroid. 2025 Nov 3. doi: 10.1177/10507256251393709. Online ahead of print.

Specialties: Endocrinology, Cardiology, Cardiovascular, Pediatrics