Abbey J et al (2004) The Abbey pain scale: a 1-minute numerical indicator for people with end-stage dementia. International Journal of Palliative Nursing ; 10: 1, 6-13. Alzheimer’s Society (2009) ...

The study also revealed organisational and caregiver-related barriers to pain management. For example, ... such as the Abbey pain scale for use in patients with dementia. ...

When patients cannot verbalize their pain, the pain assessment instrument Abbey Pain Scale is sometimes used instead—but it does not work for patients with cancer, according to a thesis.