Inter-laboratory quality control in neon
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D. Mathias; H. Bickel
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Article
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1985
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Springer
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English
โ 254 KB
Screening of neonates for inborn errors of metabolism has been carried out on a national level since 1969 in the Federal Republic of Germany. To raise the reliability of these routine investigations, we introduced an external quality control in March 1982. Every 2 months ten filter paper samples wer