Contents:

Opening Remarks, Chairman of Cancer Control Commission of UICC.- Opening Remarks, Chairman of Cancer Prevention Committee.- Presentation de l'Ordre du Jour, avec Commentaires, Chairman of the Symposium.- Considerations Generales sur les Risques de Cancerisation Pouvant Resulter de l'Emploi de Certains Agents Chimiques en Therapeutique.- Discussion.- Principles of Methodology Relating to the Potential Carcinogenicity of Medical Drugs.- Discussion.- Some Aspects of Medical Drug Testing for Carcinogenic Activity.- Discussion.- A Program for the Investigation of the Possible Chronic Hazards of Drugs.- Discussion.- Statistical Approach to the Evaluation and Prediction of Possible Carcinogenic Action of Drugs.- Discussion.- Quantitative Aspects in Chemical Carcinogenesis.- Discussion.- Carcinogenic Hazards from Arsenic and Metal Containing Drugs.- On Potential Carcinogenicity of the Iron Macromolecular Complexes.- Discussion.- Risques cancerogenes des Traceurs radioactifs utilises pour le Diagnostic.- Evaluation of Possible Carcinogenicity of Petroleum Products in Therapeutic Use.- Discussion.- A Propos de l'Activite oncogene de quelques hydrocarbures halogenes utilises en Therapeutique.- Discussion.- Drugs with Lactone Groups as Potential Carcinogens.- Discussion.- Pyrrolizidine (Senecio) Alkaloids and other Natural Drugs as Potential Carcinogens.- Discussion.- Progesterone and Mammary Carcinogenesis.- Discussion.- On Blastomogenic Effect of Antithyroid Drugs.- Discussion.- On Potential Carcinogenicity of Some Hydrazine Derivatives Used as Drugs.- Plastics Carcinogenesis, Some Experimental Data and Its Possible Importance for Clinic and Prophylaxis of Cancer.- Plastic Carcinogenesis; Suggestions for the Use of Plastics in Surgery, Orthopedics.- Discussion.- Biochemical Aspects of Carcinogenesis with Special Reference to Alkylating Agents and Some Antibiotics.- Discussion.- Metabolism of Drugs in Relation to Carcinogenicity.- The Point of View of the Pharmacologist.- Discussion.- Le Risque cancerogene des Medicaments - Reflexions d'un Clinicien.- Discussion.- Tumeurs des Cellules de Ley dig du Testicule du Rat, sous l'Influence de l'o,p?-DDD.- Discussion.- General Recommandations.- Recommandations generales.