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Letter
Posttraumatic Headache-Many Classifications, Few Answers ... Who Can or Cannot Hit Their Head?
- Leonardo C Welling, Nicollas Nunes Rabelo, Mateus Gonçalves de Sena Barbosa, João Marcos Alcântara de Souza, Carlos Elias Conti Filho, and Eberval Gadelha Figueiredo.
- Departments of Neurosurgery, State University of Ponta Grossa, Passos-MG, Brazil.
- World Neurosurg. 2023 Mar 1; 171: 183184183-184.
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