@misc{indiciae7dcb85b35cd4,
  title = {Newer penicillins.},
  author = {W J Martin},
  year = {1967},
  doi = {10.1016/s0025-7125(16)32982-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4968307/},
  note = {Source identifier: 4968307}
}