Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of articles citing the papers published in the European Journal of Histochemistry during the last five years; the citing articles have been grouped according to the subject categories of the journals where they have been published (see ISI web of knowledge - Journal Citation Reports).
