Opioidergic changes in the pineal gland and hypothalamus in cluster headache: a ligand PET study.
Sprenger T, Willoch F, Miederer M, Schindler F, Valet M, Berthele A, Spilker ME, Förderreuther S, Straube A, Stangier I, Wester HJ, Tölle TR.
Sprenger T, et al. Among authors: tolle tr.
Neurology. 2006 Apr 11;66(7):1108-10. doi: 10.1212/01.wnl.0000204225.15947.f8.
Neurology. 2006.
PMID: 16606930