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- Korovessis, Z. Papazisis, G. Petsinis, A. Baikousis : Prediction of thoracic kyphosis with the use of the Debrunner’s Kyphometer. European Spine J 10(S1):45, August, 2001.
- Korovessis, A. Baikousis, G. Petsinis, Z. Papazisis : Posterior CCD for occipitocervical, cervical & cervicothoracic fusion. European Spine J 10(S1):63 August, 2001.
- Baikousis A., Korovessis P., Petsinis G., Papazisis Z., Katonis P. : Posterior compact Cotrel-Dubousset (CCD) instrumentation for occipitocervical, cervical and cervicothoracic fusion. The Journal of Bone and Joint Surgery 83-B, 2001 Page 124.
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- Korovessis P., Deligianni D., Petsinis G., Baikousis A., Papazisis Z. : Comparative strength measurements of five different fixation systems applied on an in vitro model of femoral midshaft osteotomy. The Journal of Bone and Joint Surgery 83-B, 2001 Page 209.
- Papazisis Z., Korovessis P., Petsinis G., Baikousis A. : Prediction of thoracic kyphosis with the use of the Debrunner’s kyphometer. The Journal of Bone and Joint Surgery 83-B, 2001 Page 247.
