1. Implications of dyspepsia for the NHS;Logan;BrMed J,2001
2. The intensity and variability of symptoms in dyspepsia;Johannessen;Scand J Prim Health Care,1993
3. Factors affecting the decision to consult with dyspepsia: comparison of consulters and non-consulters;Lydeard;J R Coll Gen Pract,1989
4. Dyspepsia and dyspepsia subgroups: a population based study;Talley;Gastroenterology,1992
5. Prevalence of use of complementary/alternative medicine: a systematic review;Ernst;Bull WHO,2000