The urinary excretion of 15N-labeled ammonium nitrate was studied during the last few weeks in patients with normal pregnancy and in those with toxemia. Marked diminution of the 15N label was found consistently in patients with toxemia in the urinary fraction consisting of nitrogenous compounds other than urea and ammonia. The possible significance of this finding is discussed.

Adult↗

PubMed1975

Weight/length classification of nutritional status.

The use of somatic measurements for the assessment of nutritional status is briefly reviewed. Two classifications using weight and length being advocated at present--those of McLaren and Read (1972) and Waterlow and Rutishauser (1974)--were applied to data from three sets of children surveyed in hospital and field studies. The results obtained differed considerably. The system of Waterlow and Rutishauser tended to underestimate the problem. A simple chart has been devised to aid the practical application of the classification of McLaren and Read.

Anthropometry↗

PubMed1975

Vitamin A.

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Adolescent↗