1.
Wisudarti CFR, Mahmud, Mi’raj GG. An Ultrasonography Guidance Lumbar Epidural Anaesthesia in Patient with Difficult Landmarks. jka [Internet]. 2023May28 [cited 2024Sep.30];10(1):70-6. Available from: https://dev.journal.ugm.ac.id/v3/jka/article/view/8329