User talk:Abramsonj

Hello, and welcome to Wikipedia! We welcome and appreciate your contributions, such as Antibody class switching, but we cannot accept copyrighted text or images borrowed from either web sites or printed material. Perhaps you would like to rewrite the article in your own words. For more information, take a look at Wikipedia's policies and guidelines. Happy editing! Melchoir 23:26, 21 February 2006 (UTC)