S. Russo

Serotonin: Modulator of a drive to withdraw

Maarten A. S. Boksem, D. Tucker, M. Tops, 2009, Brain and Cognition.

Brainstem cells of origin of the cervical vagus and cardiopulmonary nerves in the neonatal pig (Sus scrofa)

D. A. Hopkins, D. Hopkins, P. M. Gootman, 1984, Brain Research.