Peripheral and Intracranial Compartment Serum Level of Selenium in Pediatric Patients with Intracranial Tumor in Department of Neurosurgery, Faculty of Medicine, Universitas Padjadjaran–Dr. Hasan Sadikin Hospital, Bandung, Indonesia: a Preliminary Study and Literature Review. International Journal of Integrated Health Sciences, v. 4, n. 2, p. 73–79, 28 Sep.2016.