Methods: Urinary iodine of the 426 early pregnant women was determined by chloric acid-digestion and arsenic-cerium catalysis.
方法采用酸消化-砷铈接触法测定426例早期妊娠妇女尿碘。
Methods: Urinary iodine of the 426 early pregnant women was determined by chloric acid-digestion and arsenic-cerium catalysis.
方法采用酸消化-砷铈接触法测定426例早期妊娠妇女尿碘。
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