1. Evaluation and monitoring of cancer screening;Smith,2000
2. Effective screening programmes for cervical cancer in low and middle income developing countries;Sankaranarayanan;Bull. World Health Organ., Suppl.,2001
3. Screening for cervical cancer: experience of the Nordic countries;Hakama,1997
4. Organization and results of the cervical cytology screening programme in British Columbia, 1955-85;Anderson;BMJ,1988
5. IARC Scientific Publications No. 143,1997