REFERENCES
- Bader, G. M. & Papanicolaou, G. N. Cancer 1952, 5, 307–314
- Bemvenuti, G. A., Hattori, K., Levin, B., Kirsner, J. B. & Reilly, R. W. Gastrointest. Endosc. 1975, 21, 159–161
- Cook, M. G. & Goligher, J. C. Gastroenterology 1975, 68, 1127–1136
- Galambos, J. T. & Klayman, M. I. Surg. Gynec. Obstet. 1955, 101, 673–679
- Galambos, J. T., Massay, B. W., Klayman, M. I. & Kirsner, J. B. Cancer 1956, 9, 152–159
- Hultén, L., Kewenter, J. & Ahrén, C. Scand. J. Gastroent. 1972, 7, 663–669
- Katz, S., Sherlock, P. & Winawer, S. J. Amer. J. Dig. Dis. 1972, 17, 1109–1116
- Lennard-Jones, J. E., Morson, B. C., Ritchie, J. K., Shove, D. C. & Williams, C. B. Gastroenterology 1977, 73, 1280–1289
- Morson, B. C. & Pang, L. S. C. Gut 1967, 8, 423–434
- Myrvold, H. E., Kock, N. G. & Ahrén, C. Gut 1974, 15, 301–304
- Rachail, M., Brondel, H. & Rachail-Arnoux, M. Sem. Hôp. Paris 1973, 49, 3061–3066
- Raskin, H. F. & Pleticka, S. Acta Cytol. 1964, 8, 131–140
- Riddell, R. H. & Morson, B. C. Gut 1979, 20, 575–580
- Vilardell, F. Amer. J. Gastroent. 1978, 70, 357–364
- Yardley, J. H. & Keren, D. F. Cancer 1974, 34, 835–844