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  • 1 University of Toronto Bone Mineral and Metabolism Unit, Department of Medicine M5S 1A8 Toronto Ontario (Canada)
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Abstract  

Nitrogen in the human body is measured in vivo using prompt neutron capture gamma-rays. The quantity of nitrogen can then be used as measured of protein. Data are presented on three groups of subjects; volunteers of different ages, those with liver ailments, and those on peritoneal dialysis. The data show that the nitrogen measurements given information (in accord with clinical findings) which is not given by indirect methods of estimating lean body mass.