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Original Article
Normal Blood TSH, T4 Levels in Neonates as Determined by Screening Test
In Ah Cha, Kwang Sin Kim, Kyoung Sim Kim, Young Wook Kim, Ki Bok Kim
Clin Exp Pediatr. 1994;37(6):832-841.   Published online June 15, 1994
In 1,146 term neonates without perinatal problems who were born in kwangju Christian Hospital, blood TSH levels were measured by immunoradiometric assay. In 397 term neonates among them, blood T4 levels were measured by radioimmunoassay in same specimens. 1) In normal neonates aged 3~5days, 6~10days, 11~20days and 21~28days, the TSH levels were 8.885.21(meanSD), 9.44¡¾5.16, 9.69¡¾4.98, 11.963.75IU/ml and the T4 levels were...
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