@misc{indiciae014a5e91ca56,
  title = {Physical properties of the amino-terminal precursor-specific portion of type I procollagen.},
  author = {J Engel and P Bruckner and U Becker and R Timpl and B Rutschmann},
  year = {1977},
  doi = {10.1021/bi00637a014},
  url = {https://pubmed.ncbi.nlm.nih.gov/20926/},
  note = {Source identifier: 20926}
}