References
- Müller P, Dammann H G, Seitz H, Simon B. Lancet 1983; 1: 66
- Cooperative study. Br Med J 1984; 289: 525–528
- Lind T, Cederberg C, Ekenved G, Haglund U, Olbe L. Gut 1983; 24: 270–276
- Cederberg C, Lind T, Axelson M. Olbe L. Gastroenterology 1984; 86: 1043
- Prichard P J, Yeomans N D, Jones D B, McNeil J J, Louis W J, Smallwood R A. Gastroenterology 1984; 86: 1213
- Sharma B K, Walt R P, Pounder R E, Gomes M, Wood E C, Logan L H. Gut 1984; 25: 957–964
- Prichard P J, Rubinstein D, Jones D B, Dudley F J, Smallwood R A, Louis W J, Yeomans N D. Gastroenterology 1984; 86: 1213