Baishideng Publishing Group (BPG) is a publisher of peer-reviewed, open-access, online World-series biomedical journals. Since it was founded on January 15, 1993, BPG has launched and will launch a total of 42 journals among which World Journal of Gastroenterology (WJG) had been included in the Science Citation Index Expanded (SCIE) and MEDLINE and has gained a good reputation and high degree of influence worldwide. According to the Essential Science Indicators database statistics, the total number of citations to WJG ranked 174th among 1,105 clinical medical journals included in the SCIE between January 1, 2000 and December 31, 2010. Thirteen journals launched in 2009 by BPG had been included in PubMed Central, PubMed, Digital Object Identifer, and Directory of Open Access Journals.