When the body fails, nature fills in.
D018786:Bone Substitutes / Q000191:economics*; D017046:Cost Savings / Q000706:statistics & numerical data; D017886:Durapatite / Q000191:economics / Q000627:therapeutic use; D006801:Humans; D008159:Lumbar Vertebrae / Q000601:surgery; D009985:Orthopedics / Q000191:economics*; D014481:United States
D018786:Bone Substitutes; D017886:Durapatite