European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society|April 6, 2010
Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists|August 14, 2002
Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists|April 11, 2002
European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society|April 6, 2010
Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists|August 14, 2002
Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists|April 11, 2002