Stephen J. Walters

The role of psychological and biological factors in postinfective gut dysfunction

K-A Gwee, Y-L Leong, Christopher D. Graham et al. · Gut · 1999 · 769 citations · Full text

Sample size requirements to estimate key design parameters from external pilot randomised controlled trials: a simulation study

M. Dawn Teare, Munyaradzi Dimairo, Neil Shephard et al. · Trials · 2014 · 748 citations · Full text

Psychometric scores and persistence of irritable bowel after infectious diarrhoea

Kok‐Ann Gwee, John D. Graham, M W McKendrick et al. · The Lancet · 1996 · 463 citations

Psychometric Scores, Functional Gastrointestinal Disorder, Gastroenterology +5

The York acupuncture safety study: prospective survey of 34 000 treatments by traditional acupuncturists

Hugh MacPherson, Kate Thomas, Stephen J. Walters et al. · BMJ · 2001 · 423 citations · Full text

What is the relationship between the minimally important difference and health state utility values? The case of the SF-6D.

Stephen J. Walters, John Brazier · Health and Quality of Life Outcomes · 2003 · 405 citations · Full text