Graef, S., Schönknecht, P., Sabri, O., & Hegerl, U. (2011). Cholinergic receptor
subtypes and their role in cognition, emotion, and vigilance control: An overview of preclinical and clinical findings. Psychopharmacology, 215(2), 205-229. doi:10.1007/s00213-010-2153-8.