@misc{indiciaedcae2898cfd5,
  title = {[Smoking, increased serum protease activity and back problems].},
  author = {R Fogelholm and A Alho},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/11973968/},
  note = {Source identifier: 11973968}
}