When adding references, please use citation templates and reference tags like all the other references in the article. Bare URLs are not very useful. JFW | T@lk 07:34, 31 May 2010 (UTC)
+=References==
Please use high quality references per WP:MEDRS such as review articles or major textbooks. Thanks and welcome to Wikipedia.
Doc James ( talk · contribs · email) 22:01, 12 February 2012 (UTC)