Vowles, K. E., Kruger, E. S., Bailey, R. W., Ashworth, J., Hickman, J., Sowden, G., & McCracken, L. M. (in press). The Pain Anxiety Symptom Scale: Initial development and evaluation of four and eight item short forms. The Journal of Pain, 25(1), 176-186. https://doi.org/10.1016/j.jpain.2023.08.001