@misc{indiciaeb07ce2648d36,
  title = {Human alpha-2-macroglobulin, characterization and trypsin binding. Purification methods, trypsin and plasmin complex formation.},
  author = {U Hamberg and P Stelwagen and H S Ervast},
  year = {1973},
  doi = {10.1111/j.1432-1033.1973.tb03213.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4273635/},
  note = {Source identifier: 4273635}
}