Yearly trends in PubMed (Medline) indexing by country of publication
percentage of entries in a given year

The scale on the right is for percentage of papers published yearly in journals havin the Medline 'PL' (place of publication) as 'United States' or 'England'; the scale on the left is for the percentage of papers published in journals located in other countries. "sco" means Scotland.

Some journals do not have a 'PL' field.

Percentage of
Medline articles by PLace (country) of publication 55-2005

more graphics, conditions of use

Made with Medline Trend by Alexandru Corlan, June 2006