Research designs for proof-of-concept chronic pain clinical trials: IMMPACT recommendationsJennifer S. Gewandter, Richard E. White, Smriti Iyengar et al.|Pain|2014Cited by 110
Validation of EQ-5D and 15D in the assessment of health-related quality of life in chronic painPekka Vartiainen, Eija Kalso, Pekka Mäntyselkä et al.|Pain|2017Cited by 81
New approach for treatment of prolonged postoperative pain: APS Out-Patient ClinicElina Tiippana, Vesa Kontinen, Katri Hamunen et al.|Scandinavian Journal of Pain|2016Cited by 76
Health-related quality of life and burden of disease in chronic pain measured with the 15D instrumentPekka Vartiainen, Eija Kalso, Tarja Heiskanen et al.|Pain|2016Cited by 60
Health‐related quality of life change in patients treated at a multidisciplinary pain clinicPekka Vartiainen, Eija Kalso, Tarja Heiskanen et al.|European Journal of Pain|2019Cited by 20