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.