1. General Practice Research Database for prescribing analysis
Martin Frischer, Steve Chapman, James Bashford, Jeff Norwood, Heath Heatlie 
The Lancet 
Volume 351, Issue 9100, Pages (February 1998)
DOI: /S (05)
Copyright © 1998 Elsevier Ltd Terms and Conditions

2. Figure
Number of patients in West Midlands prescribed proton-pump inhibitors between 1993 and 1996 by duration and type
The Lancet  , DOI: ( /S (05) )
Copyright © 1998 Elsevier Ltd Terms and Conditions