Knowlton, S. E., Goldstein, R., O'Connor, K. C., Schwab, J., Hornicek, F., & Zafonte, R. (2018). Variables affecting functional improvement in chordoma patients admitted to an inpatient rehabilitation facility: A retrospective review. J Spinal Cord Med.

Knowlton, Sasha E., Richard Goldstein, Kevin C. O'Connor, Joseph Schwab, Francis Hornicek, and Ross Zafonte. "Variables Affecting Functional Improvement in Chordoma Patients Admitted to an Inpatient Rehabilitation Facility: A Retrospective Review." J Spinal Cord Med 2018.

Knowlton, Sasha E., et al. "Variables Affecting Functional Improvement in Chordoma Patients Admitted to an Inpatient Rehabilitation Facility: A Retrospective Review." J Spinal Cord Med 2018.