English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

It is well known that free hydrochloric acid is absent in a large proportion of cases of cancer of the stomach. This was first noticed by Reinhard von den Velden in 1879, and evoked a great deal of attention and experimental work, as a result of which some observers confirmed, while others disputed von den Velden’s statement. But in the end the result that free hydrochloric is absent in the majority of cases of cancer of the stomach has become firmly established as one of the few experimental facts amid a mass of theory that we know regarding cancer.

On the absence or marked diminution of free hydrochloric acid in the gastric contents, in malignant disease of organs other than the stomach