Little, J., Logan, R. F., Hawtin, P. G., Hardcastle, J. D., & Turner, I. D. (1993). Colorectal adenomas and diet: A case-control study of subjects participating in the Nottingham faecal occult blood screening programme. Nature Publishing Group.

Little, J., R. F. Logan, P. G. Hawtin, J. D. Hardcastle, and I. D. Turner. Colorectal Adenomas and Diet: A Case-control Study of Subjects Participating in the Nottingham Faecal Occult Blood Screening Programme. Nature Publishing Group, 1993.

Little, J., et al. Colorectal Adenomas and Diet: A Case-control Study of Subjects Participating in the Nottingham Faecal Occult Blood Screening Programme. Nature Publishing Group, 1993.