Christoffel Tampubolon G, Siregar O, Andriandi. Association between Serum Alp Levels and Pre- Operative LDH towards Clinical Prognosis of Osteosarcoma Patients in H. Adam Malik Hospital, Medan. Sumat. Med. J. [Internet]. 2023Mar.2 [cited 2025Aug.4];6(1):11-9. Available from: https://talenta.usu.ac.id/smj/article/view/8991