title: Reflections of the pioneers of neurohumoral transmission.
authors.forename: G B
authors.initials: GB
authors.lastname: Koelle
mesh_terms: D000818:Animals; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009482:Neurophysiology / Q000266:history; D018377:Neurotransmitter Agents / Q000502:physiology; D009435:Synaptic Transmission; D014481:United States
chemical_list: D018377:Neurotransmitter Agents