Validation of an automated shape-matching algorithm for biplane radiographic spine osteokinematics and radiostereometric analysis error quantification. - Kage, Craig C.; Akbari-Shandiz, Mohsen; Foltz, Mary H.; Lawrence, Rebekah L.; Brandon, Taycia L.; Helwig, Nathaniel E.; Ellingson, Arin M. (PLoS ONE, 2020)