Entrez PubMed Nucleotide Protein Genome Structure OMIM PMC Journals Books

What's new in E-Utilities Web Service
Updated: June 08, 2006

Changes in version 1.5

The version 1.5 is fully compatible with the previous version, except eFetch utility.
It's recommended to update code accessing sequence databases as well as NlmCatalog and Pubmed with eFetch.

Changes in version 1.4

The version 1.4 has a limited compatibility with the previous version.
A source code retrieving information from PMC or SNP database with eFetch (eFetch_MS) method should be revised.
Also, some changes to a source code could be required for applications accessing Pubmed and NlmCatalog databases.

(*) See eFetch sample code for MedlineCitation usage: C#, VB, Java.

Changes in version 1.3

Changes, which may affect an application code
If you use the new WSDL, you should check your code using the above methods.

Changes in version 1.2

Changes, which may affect an application code
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