REFERENCES
- Thompson, WG, Heaton, KW. Gastroenterology 1980, 79, 283–288
- Switz, DM. Gastroenterology 1976, 70, 1040–1050
- Gomez, J, Dally, P. Br Med J 1977, 1, 1451–1453
- Husband, JE, Golding, SJ. Br Med J 1982, 284, 4–8
- Gerhardt, P, Kaick, G. Radiologe 1978, 18, 243–251
- Sellink, JL. Acta Radiol 1974, 15, 318–332
- Robbins, AH, Pugatch, RD, Gerzof, SG, Faling, LJ, Johnson, WC, Spira, R, Gale, DR. Radiology 1980, 137, 719–725
- Wittenberg, J, Fineberg, HV, Black, EB, Kirkpatrick, RH, Schaffer, DL, Ikeda, MK, Ferrucci, JT. Am J Roentgenol 1978, 131, 5–14
- Abrams, HL, McNeil, BJ. Am J Roentgenol 1978, 131, 81–87
- Levitt, RG, Jost, G, Trachtman, J, Sagel, SS, Stanley, RJ. Radiology 1977, 123, 97–101
- Robbins, AH, Pugatch, RD, Gerzof, SG, Faling, LJ, Johnson, WC, Sewell, DH. Am J Roentgenol 1978, 131, 15–19
- Quinn, MJ, Sheedy, PF, Stephens, DH, Hattery, RR. Radiology 1980, 136, 407–411