stands for Digital Object Identifier
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.
Using DOI as a persistent link
To create a persistent link, add「http://dx.doi.org/」
before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: http://dx.doi.org/ 10.5297/ser.1201.002 。
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.
Cite a document with DOI
When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.
DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI Registration （ doi.airiti.com ） 。
-  Kawaji H, Uematsu T, Hoshikawa N, Watanabe H, Takai S. Clinical Results of VerSys Hip System (Zimmer) Uncemented Total Hip Replacement Arthroplasty. J Nippon Med Sch.2016;83(5):184-187.
-  Röder C, Eggli S, Münger P, Melloh M, Busato A. Patient characteristics differently affect early cup and stem loosening in THA: acase-control study on 7,535 patients. Int Orthop.2008;2(1):33-8.
-  Al-Azzani WA. Adverse reaction to metal bearing leading to femoral stem fractures: a literaturereview and report of two cases. J Surg Case Rep.2016 1-3;2016(2).
-  Sasagawa T, Nakamura T. Associated Factors for Lumbar Degenerative Spondylolisthesis in Japanese Patients with Osteoarthritis of the Hip: A Radiographic Study. Asian Spine J.2016;10(5):935-939.
-  Chammout G, Muren O, Bodén H, Salemyr M, Sköldenberg O. Cemented compared to uncemented femoral stems in total hip replacement for displaced femoral neck fractures in the elderly: study protocol for a single-blinded, randomized controlled trial (CHANCE-trial).BMC Musculoskelet Disord.2016 20;17(1):398-402.
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