PT - JOURNAL ARTICLE AU - McDonald, R. H. TI - The Clinical Significance of an Increased Nonprotein Nitrogen Content of the Blood DP - 1939 Oct 01 TA - Cleveland Clinic Journal of Medicine PG - 283--294 VI - 6 IP - 4 4099 - http://www.ccjm.org/content/6/4/283.short 4100 - http://www.ccjm.org/content/6/4/283.full SO - Cleve Clin J Med1939 Oct 01; 6