Seronegative and seropositive autoimmune autonomic ganglionopathy (AAG): Same clinical picture, same response to immunotherapy

1. Tijero, B.
2. del Pino, R.
3. Pérez-Concha, T.
4. Acera, M.A.
5. Gabilondo, I.
6. Berganzo, K.
7. Graus, F.
8. Martinez-Alday, J.D.
9. Barcena, J.
10. Gómez-Esteban, J.C.