Não informado. (2003). Current List of Medical Literature. National Library of Medicine.
Chicago-referens (17:e uppl.)Não informado. Current List of Medical Literature. Chicago, Ill: National Library of Medicine, 2003.
MLA-referens (8:e uppl.)Não informado. Current List of Medical Literature. National Library of Medicine, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.