O Neill, K., Bridwell, K., Lenke, L., Chuntarapas, T., Dorward, I., Neuman, B., . . . Baldus, C. (2014). Extension of Spine Fusion to the Sacrum Following Long Fusions for Deformity Correction. SPINE -PHILADELPHIA- HARPER AND ROW PUBLISHERS THEN JB LIPPINCOTT COMPANY THEN LIPPINCOTT WILLIAMS AND WILKINS-, 39(12), 953-962.

O Neill, K.R., K.H Bridwell, L.G Lenke, T. Chuntarapas, I. Dorward, B. Neuman, A. Ahmad, and C. Baldus. "Extension of Spine Fusion to the Sacrum Following Long Fusions for Deformity Correction." SPINE -PHILADELPHIA- HARPER AND ROW PUBLISHERS THEN JB LIPPINCOTT COMPANY THEN LIPPINCOTT WILLIAMS AND WILKINS- 39, no. 12 (2014): 953-962.

O Neill, K.R., et al. "Extension of Spine Fusion to the Sacrum Following Long Fusions for Deformity Correction." SPINE -PHILADELPHIA- HARPER AND ROW PUBLISHERS THEN JB LIPPINCOTT COMPANY THEN LIPPINCOTT WILLIAMS AND WILKINS-, vol. 39, no. 12, 2014, pp. 953-962.