REFERENCES
- Milman PJ, Sidhu GP. Am J Med Sci 1978, 276, 227–230
- Fung WP, Lee SK. Am J Gastroenterol 1976, 66, 530–534
- Bochus HL, Gastroenterology, W. B. Saunders Co., Philadelphia, 1974
- Shiraki K. Acta Med Biol 1974, 22, 57–98
- Jensen SL, Nielsen OV, Pagel J, Christiansen L. Acta Chir Scand 1976, 142, 246–250