Some Aspects of Mathematical Screening Models -- Mathematical Approaches to the Problem of Early Detection of Chronic Diseases with Particular Reference to Human Neoplasias -- Computer Simulation and the Practical Planning of Cervical Cancer Screening Programmes -- Mathematical Modelling of Interacting Factors in the Analysis and Optimization of Cancer Screening -- Theoretical and Practical Criteria for the Evaluation of Screening Programmes -- Evaluation of Cancer Screening -- The Utility of Cancer Screening A Decision Help by Critical Values -- Testing and Estimating the Sensitivity and the Specificity of Diagnostic Procedures -- On the Lead Time of a Periodic Screening Programme -- Estimation of Optimal Examinitation Intervals in Screening for Colorectal Cancer -- Diagnostic Validity of Screening by Sonography and Low Dose Mammography of the Breast -- The Effectiveness of Examinations in the Early Detection of Cervical Cancer -- Confirmation of Disease Monitoring Results and Disease Clustering -- Screening for Hypertension -- Discussion about Open Problems with Early Detection of Cancer