Functional Outcome of Biportal Endoscopy Spine Surgery for Lumbar Disc Herniation Diseases. Majalah Kedokteran Bandung [Internet]. 2025 Sep. 30 [cited 2026 Jul. 23];57(3):220-4. Available from: https://journal.fk.unpad.ac.id/index.php/mkb/article/view/4128