The Role of Radioactive Somatostatin arid Its Analogues in the Control of Tumor Growth.- Treatment of Endocrine Gastroenteropancreatic Tumors with Somatostatin Analogues.- The Significance of Somatostatin Analogues in the Antiproliferative Treatment of Carcinomas.- New Molecular Aspects in the Diagnosis and Therapy Neuroendocrine Tumors of the Gastroenteropancreatic System.- The Role of LH-RH Analogues in the Adjuvant and Palliative Treatment of Breast Cancer.- The Combination of LH-RH Analogues with Other Treatment Modalities in Prostate Cancer.- Primary and Salvage Therapy with LH-RH Analogues in Ovarian Cancer.