Transdermal midline approach for ganglion impar block via the sacrococcygeal junction under fluoroscopic guidance: step-by-step technique. Neurological Surgery and Anatomy, [S. l.], v. 2, n. 3, 2025. DOI: 10.37085/nsa.2025.14. Disponível em: https://neurosurgeryanatomy.com/journal/article/view/39. Acesso em: 1 mar. 2026.