Chandra Agusrly Faculty of Medicine, Universitas Sumatera Utara/ H. Adam Malik General Hospital Medan Indonesia
Faculty Of Medicine
Taufik Sungkar Gastroenterology and Hepatology Division, Departement of Internal Medicine, Faculty of Medicine, Universitas Sumatera Utara/ H. Adam Malik General Hospital Medan Indonesia
Gontar Alamsyah Siregar Gastroenterology and Hepatology Division, Departement of Internal Medicine, Faculty of Medicine, Universitas Sumatera Utara/ H. Adam Malik General Hospital Medan Indonesia