1. Torii T, et al: Analysis and synthesis of liver function tests. Factor analysis, discriminant function and rejection ellipsis. Saishin Igaku 7: 158, 1952 (Jpn text)
2. Zieve L, Hill E: An evaluation of factors influencing the discriminative effectiveness of a group of liver function tests. III. Relative effectiveness of hepatic tests in cirrhosis. Gastroenterology 28: 785, 1955
3. Miyoshi E: Studies on the method of differentiation of chronic hepatic diseases from non-hepatic ones. Integrated evaluation of various liver function tests by linear discriminant function and their reliability. Tokyo J Med Sci 65: 139, 1957 (Jpn text and Eng abstr)
4. Carlstrom E, et al: Hepatic tests in the differential diagnosis of jaundice. A statistical multivariate evaluation of combined tests. Scand J Clin Lab Invest 15: 3, 1963
5. Nanba H, et al: Digital computer methods combined to aid in the differential diagnosis of liver disease. Med J Osaka Univ 15: 389, 1965