Long-term safety and clinical performance of kyphoplasty and SpineJack® procedures in the treatment of osteoporotic vertebral compression fractures: a pilot, monocentric, investigator-initiated study - Noriega, D C; Rodrίguez-Monsalve, F; Ramajo, R; Sánchez-Lite, I; Toribio, B; Ardura, F (Osteoporos Int, 2019)