2631-2581 2631-2581 S2631-25812020000200016 10.46997/revecuatneurol29200016 México México 00 08 2020 00 08 2020 29 2 16 17 2020 3 1-3 2020 11 7 7 995-8 2020 1-3 2017 16 1 1 96-101 2020 1-3