Rhijn, L. W. van, Jansen, E. J. P., Plasmans, C. M. T., & E E M J Veraart, B. (2001). Curve characteristics in monozygotic twins with adolescent idiopathic scoliosis: 3 new twin pairs and a review of the literature. Acta Orthopaedica, 72(6), 621–625. https://doi.org/10.1080/000164701317269058