The object of this work was to determine whether children can maintain a positive nitrogen balance on less than 2.2 Gm. of protein per kilogram. In presenting the data I have recorded all of my experiments, including two that appeared to be failures but the analysis of which may also be of value.
Previous work on the protein metabolism of children, approached from the point of view of nitrogen balance, has been reported mostly by foreign writers. The experiments of Eric Muller1 and Arnas Ruotsalainen2 were carefully done from a technical standpoint but have been criticized by Holt and others, as have those of all workers in this field, on the ground that the subjects were undernourished or were children in institutions. In this report I have included observations on a few children living in their own homes and going to school, who were normal in all respects
PARSONS JP. NITROGEN METABOLISM OF CHILDREN: WITH SPECIAL REFERENCE TO THE PROTEIN REQUIREMENT OF CHILDREN OF PRESCHOOL AGE. Am J Dis Child. 1930;39(6):1221–1239. doi:https://doi.org/10.1001/archpedi.1930.01930180071007
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