REFERENCES
- Backman, L. Small intestinal bypass operations for obesity. Some methodological aspects. Thesis, Stockholm, 1975
- Backman, L. & Hallberg, D. Acta Chir. Scand. 1975, 141, 790–800
- Baddeley, M. Brit. Med. J. 1977, 1, 640
- Batsakis, J. G. & Briere, R. O. Interpretive Enzymology. Charles C. Thomas, Springfield, Illinois, 1967
- Benfield, J. R., Greenway, F. L., Bray, G. A., Barry, R. E., Lechago, J., Mena, I. & Schedewie, H. Surg. Gynec. Obstet. 1976, 142, 401–410
- Brohult, J., Fridell, E. & Sundblad, L. Clin. Chim. Acta 1977, 76, 205–211
- Brohult, J. & Sundblad, L. Acta Med. Scand. 1973, 194, 497–499
- Buchwald, H., Lober, P. H. & Varco, R. L. Amer. J. Surg. 1974, 127, 48–52
- Buchwald, H. & Varco, R. L. Surgery 1971, 70, 62–70
- Danö, P., Vagn Nielsen, O., Petri, M. & Jörgensen, B. Scand. J. Gastroent. 1975, 10, 409–416
- Dean, R. H., Scott, H. W., Shull, H. J., Gluck, F. W., Abram, H. S., Webb, W., Brill, A. B. & Price, R. R. South. Med. J. 1976, 69, 789–798
- Drenick, E. J., Simmons, F. & Murphy, F. New Engl. J. Med. 1970, 282, 829–834
- Hallberg, D. & Backman, L. Acta Chir. Scand. 1973, 139, 557–562
- Halloran, L. G., Hutcher, N. E., Levinson, S. A., Schatzki, P. F. & Hume, D. M. Surg. Forum 1974, XXV, 359–361
- Holzbach, R. T., Weiland, R. G., Lieber, C. S., DeCarli, L. M., Kopke, K. R. & Green, S. G. Amer. J. Clin. Nutr. 1977, 30, 43–52
- Kern, W. H., Heger, A. H., Payne, J. H. & Dell, L. T. Arch. Pathol. 1973, 96, 342–346
- Mangla, J. C., Hoy, W., Kim, Y. M. & Chopek, M. Amer. J. Dig. Dis. 1974, 19, 759–766
- Maxwell, J. D., Sanderson, I., Butler, W. H., Gazet, J. C. & Pilkington, T. R. E. Brit. Med. J. 1977, 11, 726–729
- Payne, J. H. & DeWind, L. T. Amer. J. Surg. 1969, 118, 141–147
- Rozental, P., Biava, C., Spencer, H. & Zimmerman, H. J. Amer. J. Dig. Dis. 1967, 12, 198–208
- Salmon, P. A. & Reedy, L. Surg. Gynec. Obstet. 1975, 141, 75–84
- Snedecor, G. W. & Cochran, W. G. Statistical Methods, 6th ed. Lowa State University Press, Ames, lowa, 1967
- Solhaug, J. H. & Glück, E. Scand. J. Gastroent. 1976, 11, 793–800
- Spin, F. P. & Weismann, R. E. Amer. J. Surg. 1975, 130, 88–91
- Vesell, E. S. & Bearn, A. G. J. Clin. Invest. 1961, 40, 586–591
- van der Helm, H. J. Clin. Chim. Acta 1962, 7, 124–128
- Weismann Johnson, R. E. Amer. J. Surg. 1977, 134, 253–258
- Wieme, R. J. Agar Gel Electrophoresis. Elsevier, Amsterdam, 1965
- Wroblewski, F. & La Due, J. S. Proc. Soc. Exp. Biol. 1955, 90, 210–213