1. A study of the etiology of carcinoma of the cervix uteri;Boyd;Br J Cancer,1964
2. Relations of cervical cancer to early marriage and child bearing;Christopherson;N Engl J Med,1965
3. The etiology of some human cancers;Clemmensen;J Natl Cancer Inst,1952
4. Circumcision and the incidence of carcinoma of the penis and the cervix;Dodge;East Afr Med J,1963
5. Cancer of the uterus in the Western State of Nigeria;Edington;Afr J Med Sci,1970