REFERENCES
- Balthazar, E. J. & Goldfine, S. Amer. J. Roentgenol. 1975, 125, 138–142
- Dowling, R. H. & Booth, C. C. Clin. Sci. 1967, 32, 139–149
- Dudrick, S. J., Daly, J. M., Castro, G. & Akthar, M. Ann. Surg. 1977, 185, 642–648
- Fenyö, G., Backman, L. & Hallberg, D. Acta Chir. Scand. 1976, 142, 154–159
- Grenier, J. F., Eloy, M. R., Jaeck, D. & Dauchel, J. J. Chir. (Paris) 1974, 100, 59–65
- Husemann, B., Holik, B., Banz, H. & Mrozek, B. Munch. Med. Wschr. 1976, 29/30, 937–940
- Iversen, B. M., Schjönsby, H., Skagen, D. W. & Solhaug, J. H. Europ. J. Clin. Invest. 1976, 6, 355–360
- Jackson, W. P. U. & Linder, G. C. S. Afr. J. Clin. Sci. 1951, 2, 70–112
- McLaren, J. W., Ardram, G. M. & Sutcliff, J. J. Fac. Radiol. (Loud.) 1950, 2, 148–164
- Nygaard, K. Acta Chir. Scand. 1967, 133, 233–248
- Nygaard, K. Acta Chir. Scand. 1967, 133, 407–416
- Pilling, G. P. & Cresson, S. L. Pediatrics 1957, 19, 940–948
- Solhaug, J. H. Scand. J. Gastroem. 1976, 11, 155–160
- Solhaug, J. H. & Glück, E. Scand. J. Gastroent. 1976, 11, 793–800
- Sustersic, Z. Zbl. Chir. 1964, 89, 541–553
- Tschirn, W. Bruns' Beitr. Klin. Chir. 1969, 188, 392–405
- Wade, D. H., Richards, V. & Burhenne, H. J. Radiol. Clin. N. Amer. 1976, 14, 493–498