Please confirm that you are not located inside the Russian Federation
The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.
Enter search terms to find related medical topics, multimedia and more.
This photo shows red, flaky, and thickened skin on the scalp of a person who has psoriasis.
DR P. MARAZZI/SCIENCE PHOTO LIBRARY