Patrias K. Citing medicine: the NLM style guide for authors, editors, and publishers [Internet]. 2nd ed. Wendling DL, technical editor. Bethesda (MD): National Library of Medicine (US); 2007 – [actualizado en Agosto 2015].
Disponible en: http://www.nlm.nih.gov/citingmedicine
“NLM conceived this 2nd edition after the 2005 revision of ANSI/NISO Z39.29 Bibliographic References published by the National Information Standards Organization. Some of the changes in that revision addressed the then new and evolving content appearing on the Internet. Since that time, there have been numerous changes in publishing. Researchers often use electronic rather than print materials thanks to ready access, and determining the type of Web resource one is referencing has become difficult as differences between Web sites, online books, online databases, etc. are disappearing and all are searchable.
As we are making changes and adding more examples to Citing Medicine, we are also waiting to see if there will be changes in ANSI/NISO Z39.29. In 2010 the ANSI/NISO standard was renewed, as revisions to a sister international standard (ISO/FDIS 690 Information and documentation – Guidelines for bibliographic references and citations to information resources) was being voted on. Now ANSI/NISO Z39.29 is again due for review. The standard is in need of updating, and perhaps simplification…”