Hi, Conducting the same search on HDAS alpha and on HDAS is yielding different results. Has anyone else experienced this? Abi Yours sincerely, ABI ALAYO Assistant Librarian Barts Health NHS Trust Knowledge & Library Services Newham University Hospital Glen Road, Plaistow London E13 8SL Tel: 02073639410 Fax: 02073638087 Website: www.bartshealth.nhs.uk<http://www.bartshealth.nhs.uk> Library Portal: bartshealth.nhslibraries.com [log in to unmask]<mailto:[log in to unmask]> The information contained in this message is confidential and is intended for the addressee only. If you have received this message in error or there are any problems, please notify the originator immediately. The unauthorised use, disclosure, copying or alteration of this message is strictly forbidden. This mail and any attachments have been scanned for viruses prior to leaving the Barts Health NHS Trust network. Barts Health NHS Trust will not be liable for direct, special, indirect or consequential damages arising from alteration of the contents of this message by a third party or as a result of any virus being passed on.