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Lerner, Thomas, Viola Bullmann, Tobias L. Schulte, Marc Schneider, et Ulf Liljenqvist. A Level-1 Pilot Study to Evaluate of Ultraporous β-tricalcium Phosphate As a Graft Extender in the Posterior Correction of Adolescent Idiopathic Scoliosis. Springer-Verlag, 2008.

Lerner, Thomas, et al. A Level-1 Pilot Study to Evaluate of Ultraporous β-tricalcium Phosphate As a Graft Extender in the Posterior Correction of Adolescent Idiopathic Scoliosis. Springer-Verlag, 2008.