@misc{indiciaef2d8193f74a2,
  title = {Collagen concentration in zyderm.},
  author = {C M Leneck},
  year = {1984},
  doi = {10.1016/s0190-9622(84)80398-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6490991/},
  note = {Source identifier: 6490991}
}