This current page is not a list of references, but a resource to help students and contributors format their page citations. An extension has been installed in this site that allows automatic reference formatting even if only the PubMed ID number is known.
Note that extremely new PubMed entries or those appearing as links from Bookshelf may not work with the automatic formatting and may need to be manually formatted as a ref. This appears to be something to do with how references are initially added/linked within the PubMed database and for new entries generally resolved in a few weeks.
There is a separate page describing how references appear on this website. (More? References)
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How to Insert Any Reference
You are not restricted to using this automatic formatting, as any text enclosed by the tags:
- <ref>your text here</ref>
Will appear exactly as formatted in your reference list.
How to Insert PubMed References
This online site has an extension that allows automatic reference formatting if the PubMed ID number is known. Shown below is the code required to make the reference display correctly on your page. In addition, if the reference is cited more than once on a page there is specific code required to get the right citation list generated. At the bottom of this section is an example of how the code displays references.
Simply copy and paste the text shown in the examples below replacing XXXXX with the only the PubMed number (no text).
Single Instance on Page
Where the cited text, image or other referenced material appears place the following code:
Then make a section towards the bottom of the page called "References" and place the following text below the heading
Shown below is an example of how a single citation will appear on the page and how the the reference list formats this citation. Note the reference list formatting is globally determined on this site and can be altered if required.
The human embryo development has been recently reviewed.
Multiple Instances on Page
If the material is cited multiple times upon a page, then it can appear as a single entry in you list if it is "named" in the first instance that it appears. Where the first cited text, image or other referenced material appears place the following code:
- <ref name="PMIDXXXXX"><pubmed>XXXXX</pubmed></ref>
Note the ref name must include the text PMID as a number alone is not allowed.
Future places where the above reference is cited place the following code:
- <ref name="PMIDXXXXX"/>
Shown below is an example of how a multiple citations will appear on the page and how the the reference list formats this citation. Note that a single page can have multiple reference lists, but I prefer a single list, which will only contain references above the list.
The human embryo development has been recently reviewed. Now we can use the same citation later on the page using just the reference name code. Also see that no matter how many times we use this citation the numbering remains the same.
Note that if you reorganise page content, ensure that the first instance of the reference has the ref name tag <ref name="PMIDXXXXX">.
- ↑ 1.0 1.1 1.2 Mark Anthony Hill Early human development. Clin Obstet Gynecol: 2007, 50(1);2-9 PMID:17304021
Now all you have to do is Search the PubMed database.
Known Referencing Error
- Occasionally some very recent references (July-August 2012) may not yet be linkable.
- When you try to save one of these references a blank page will load with the following error message:
- "Fault: Could not open file tmp\pubmedcache/d4/ for writing, at Persistant::save"
- Do not panic, you have not lost all your work. The reference is simply not available to be loaded on the Wiki. You will not be able to continue editing the page until you have fixed the reference causing this error.
- Use the browser back button to return to the project page.
- Edit the reference entry to just the reference PMID number <ref>PMID 12345</ref> (without the colon)
- You will be able to enter the complete reference manually later.
OK so all the above is too hard? Simply pasting the text of the PMID on the page is sufficient to generate a link to the PubMed reference.
This can also be enclosed within a referencing code.
MEDLINE is a literature database of life sciences and biomedical information containing review and research articles. See also Project Referencing to generate references within your project, a reference list on your page and formatting the pubmed reference link.
- Pubmed MEDLINE is the National Library of Medicine (NLM) USA premier bibliographic database covering the fields of medicine, nursing, dentistry, veterinary medicine, the health care system, and the preclinical sciences." (NCBI)
- MH - I would prefer reference links to be added pointing to this database.
- UNSW also has the MEDLINE database available through the Library using Sirius.
- While it is essentially the same reference database, some papers will have different access rights based upon the university's subscriptions.
Searching with nearly any term will result in a large number of results that can be made more specific by either:
- Using "Preview/Index" option to carry out an additional search and then combining with your first result. (#1 AND #2) or
- Using "Limits" option to set limits on your search results. (review, years, english, etc)
Other Reference Databases
- The referencing extension will only work with the PubMed Id number.
- You can search for reference databases on Biomed Central or Public Library of Science or Journal home pages.
- You will have to then find the PubMed Id number by Google searching with the paper title.
- Multiple results will be found the PubMed Id number is shown by the link www.ncbi.nlm.nih.gov/pubmed/PubMed Id.
- OMIM - "OMIM is a comprehensive, authoritative, and timely compendium of human genes and genetic phenotypes. The full-text, referenced overviews in OMIM contain information on all known mendelian disorders and over 12,000 genes. OMIM focuses on the relationship between phenotype and genotype."
External Links Notice - The dynamic nature of the internet may mean that some of these listed links may no longer function. If the link no longer works search the web with the link text or name.
- Extension:Pubmed - "The extension can fetch literature data from scientific articles stored in PubMed (www.pubmed.org), and generate a reference list or box. The extension can create, in addition to the primary data like author, article title, journal, year, pages, etc., links like back to PubMed or to WorldCat.org by ISSN or to the full text at the publisher's page (if a DOI is specified). Further links can be defined using the layout template."
- Son of Citation Machine - This online citation tool was originally created by David Warlick of The Landmark Project on October 29, 2000 and is part of the Landmarks for Schools Web site for teachers.
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Cite this page:
Hill, M.A. (2013) Reference Tutorial. Retrieved June 19, 2013, from http://php.med.unsw.edu.au/embryology/index.php?title=Reference_Tutorial
- Dr Mark Hill 2013, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G