All in! - Systematic and well-founded presentation of all relevant clinical pictures. As many basics as necessary, as much practical relevance as possible. Special gastroenterological diagnostics, patient counselling, self-help groups. Compact reference book for everyday life in clinics and practices. Ideal revision book for the specialist examination. Alles klar! - Differential diagnosis based on leading symptoms. Immediately applicable knowledge without scientific ballast. Facts, facts, facts. Quick access thanks to a clear structure and quick reading line. Strictly diagnosis and therapy oriented: Concrete aids to action for each clinical picture. Consistently uniform chapter grid: clinical characteristics, course and complications, pioneering diagnostics, pathophysiology, etc.