Adv. Biosci. Biotechnol. Adv. Biosci. Biotechnol. Probability of osteoporotic vertebral fractures assessment based on DXA measurements and finite element simulation Lopez Enrique Ibarz Elena Herrera Antonio Universidad de Zaragoza Mateo Jesus Lobo-Escolar Antonio Puértolas Sergio Universidad de Zaragoza Gracia Luis 2014 research-article