Top ten downloaded articles 2021

Explore the table below to see which articles received the most downloads (includes all fulltext formats) and page views in 2021.

The most popular format was the PDF, which typically represents around half of all downloads for most articles on the list.

Why not save paper and try one of our other online formats? For example, the 'side by side' format is great for reading on desktop computers – view figures on one side of the screen and the article text of the other, use the contents list to navigate around the article and highlight references of interest. Or try downloading an article as an epub to read offline on your computer, tablet or phone.

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