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Thyroid-Stimulating Hormone in Singleton and Twin Pregnancy: Importance of Gestational Age–Specific Reference Ranges

Haddow, James E. MD; Palomaki, Glenn E. BS; McClain, Monica R. PhD

doi: 10.1097/01.AOG.0000195268.33533.8a
Departments: Letters to the Editor

Women & Infants Hospital, Providence, Rhode Island

© 2006 The American College of Obstetricians and Gynecologists