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Ong Tze Zen
Internal Medicine
Gastroenterology and Hepatology
Manages a broad spectrum of adult medical conditions including chronic disease, acute illness, preventive care, and diagnostic assessment within the internal medicine department at KPJ Kajang Specialist Hospital.
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Ong Tze Zen
Internal Medicine
Gastroenterology and Hepatology
Manages a broad spectrum of adult medical conditions including chronic disease, acute illness, preventive care, and diagnostic assessment within the internal medicine department at KPJ Kajang Specialist Hospital.