1. Abell, M. R. Papillary adenofibroma of the uterine cervix. Am. J. Obstet. Gynecol. 110: 990, 1971.
2. Abell, M. R. Invasive carcinomas of uterine cervix, in Norris, H. J., Hertig, A. T., and Abell, M. R., eds. The Uterus, Internatl. Acad. Path. Monogr. Baltimore, The Williams and Wilkins Co., 1973, pp. 413–456.
3. Abell, M. R., and Gosling, J. R. G. Gland cell carcinoma (adenocarcinoma) of the uterine cervix. Am. J. Obstet. Gynecol. 83: 729, 1962.
4. Abell, M. R., and Ramirez, J. A. Sarcomas and carcinosarcomas of the uterine cervix. Cancer 31: 1176, 1973.
5. Ashley, D. J. B. Evidence for the existence of two forms of cervical carcinoma. J. Obstet. Gynaecol. Brit. Commonw. 73: 372, 1966.