Johann Ockenga
- Location: Germany, Bremen
Dr. Johann Ockenga is a Surgical Oncologist with specializing in gastrointestinal cancers at Bremen-Mitte Clinic, particularly Colon cancer stage 4.
- Expertise includes Sigmoid adenocarcinoma and Hepatocellular Carcinoma
- Secretary of the German Society of Nutritional Medicine
- Developed guidelines for nutritional medicine in cancer care
- Published in the World Journal of Gastroenterology
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