Detection of β-endorphin in the cerebrospinal fluid after intrastriatal microinjection into the rat brain
Keywords: CSF; cerebrospinal fluid; ECF; extracellular fluid; IR; immunoreactivity; IRM; immunoreactive material; i.c.v.; intracerebroventricular; BSTs; bed nucleus of the stria terminalis, supracapsular part; GP; globus pallidus; MOR1; μ-opioid receptor-1; VT; vo