PubMed has been designated to be maintained with minimal staff during the lapse in government funding. Updates regarding government operating status and resumption of normal operations can be found at http://www.usa.gov.

To ensure that you are getting the most updated results when searching for literature, we recommend that you include the Embase and Web of Science databases to your resource repertoire. To search MEDLINE comprehensively, please use the Web of Knowledge and/or Ovid interfaces. Please do not hesitate to contact the Reference staff for questions or help with searching these databases.