A study of the effect of saliva on the concentration of mucin in gastric juice and its possible relationship to the aetiology of peptic ulcer.

EDITORIAL COMMENT This interesting paper suggests that the consistency of food affects the quality of gastric mucus derived from swallowed saliva, foods needing much mastication stimu- lating a high salivary output.Salivary mucus, by augmenting gastric mucus, may help to protect against peptic ulceration.