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 Tools annual

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 monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

Methods of Research .—The heart being exposed, two points of its surface were connected by means of non-polarisable electrodes with the terminals of a capillary electrometer. An image of the meniscus was thrown on to a moving photographic plate, on which were also recorded the contractions of the ventricle, a time tracing (8 or 100 per second), and in many cases the time of stimulation (when artificial stimuli were used), or the period of excitation of the vagus (when it was desired to slow the heart). In nearly all experiments we used dogs.

V. On the electromotive phenomena of the mammalian heart