How should we best measure participant-reported ‘average hand pain’: comparison of two methods from a randomized placebo-controlled feasibility study of post-menopausal women with hand osteoarthritis
Williams JA., Chester-Jones M., Francis A., Brewer G., Gulati M., Lowe CM., Barker K., Julier P., Barber V., Vincent K., Dutton SJ., Watt F.