Ganguly A K, Gopinath P
Experientia. 1979 Jan 15;35(1):54-5. doi: 10.1007/BF01917873.
2 different time schedules were applied in order to stimulate vagus nerves around the oesophagus at the region of the cardio-oesophageal junction. The result shows a significant reduction in gastric tissue histamine concentration following vagal stimulation, the reduction being more when the duration of stimulation was longer.