Colom-Beauchamp, Eduardo, David Beaton-Comulada, Julio A. Rodriguez, José C. Pérez-López, José Montañez-Huertas, Enrique Escobar-Medina, and José Massanet-Vollrath. 2017. “The Use of Bone Morphogenetic Protein in Spinal Transforaminal Lumbar Interbody Fusion: Our Experience”. Puerto Rico Health Sciences Journal 36 (3):173-78. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1469.