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Article
March 1963

Serum Enzymes in DiseaseXII. Transaminases, Glycolytic and Oxidative Enzymes in Normal Infants and Children

Am J Dis Child. 1963;105(3):261-264. doi:10.1001/archpedi.1963.02080040263007
Abstract

Serum enzyme levels have been studied extensively in adults,1-3 but there have been relatively few studies in infants and children. It is apparent that the enzyme values in diseases of children can be interpreted only with a knowledge of the normal levels in the age groups in question. There have been reports of levels of glutamic oxalacetic transaminase in cord blood,4-8 in the neonatal period,6-13 and in childhood.13-15 Several studies have dealt with levels of lactic dehydrogenase,16,4,7,11 aldolase,17 malic dehydrogenase,8 and isocitric dehydrogenase 18 in the serum of cord blood, neonatal infants, or children. One systematic attempt to study levels of glutamic oxalacetic transaminase, glutamic pyruvic transaminase, lactic dehydrogenase, and aldolase from cord blood and throughout normal infancy and childhood did not compare the values in these age groups with those of adults.19

In order to establish the normal levels of

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