@misc{indiciaec858cad351c8,
  title = {[Hydroxylation of skin collagen in relation to age: analyses of the human skin].},
  author = {M Ali and A Ruiz-Torres},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/18040/},
  note = {Source identifier: 18040}
}