“…Even single determinations, however, in selected instances, when taken in conjunction with other clinical studies, may offer useful information. For example, in cirrhosis of the liver, the gamma globulin is greatly increased whereas in livers involved with metastatic carcinoma, this fraction is not increased (18). The finding of an elevated rather than a reduced gamma globulin content in the nephrotic syndrome suggests an acute exacerbation of the renal disease (10).…”