1. Control of cancer of the cervix uteri;World Health Organization;Bull World Health Org,1986
2. Screening for cervical cancer;Eddy;Ann Intern Med,1990
3. Screening for cancer of the cervix in South Africa;Sitas;S Afr Med J,1997
4. Trends in mortality from cervical cancer in the Nordic countries: association with organised screening programmes;Laara;Lancet,1982
5. Cervical cytological services in the Orange Free State: demographic characteristics;Cronjé;S Afr Med J,1989