title: Circumstances influencing Otto Loewi's discovery of chemical transmission in the nervous system.
mesh_terms: D001317:Austria; D002940:Circadian Rhythm; D005197:Famous Persons; D006321:Heart / Q000294:innervation; D049673:History, 20th Century; D009482:Neurophysiology / Q000266:history*; D018377:Neurotransmitter Agents / Q000266:history*; D009613:Nobel Prize; D012621:Seasons; D009435:Synaptic Transmission
chemical_list: D018377:Neurotransmitter Agents