Kapstad, H., Hanestad, B. R., Langeland, N., Rustøen, T., & Stavem, K. (2008). Cutpoints for mild, moderate and severe pain in patients with osteoarthritis of the hip or knee ready for joint replacement surgery. BioMed Central.

Kapstad, Heidi, Berit R. Hanestad, Norvald Langeland, Tone Rustøen, and Knut Stavem. Cutpoints for Mild, Moderate and Severe Pain in Patients With Osteoarthritis of the Hip or Knee Ready for Joint Replacement Surgery. BioMed Central, 2008.

Kapstad, Heidi, et al. Cutpoints for Mild, Moderate and Severe Pain in Patients With Osteoarthritis of the Hip or Knee Ready for Joint Replacement Surgery. BioMed Central, 2008.