References: Far from uniformity.

Sir, ‘References’ in an article includes the list of articles, books or the communications that have been referred to/consulted in presenting the document. They provide the source of the information being quoted in the article. The International Committee of Medical Journal Editors (ICMJE) has created the Uniform Requirements, primarily to help authors and editors in their mutual task of creating and distributing accurate, clear, easily accessible reports of biomedical studies.