@misc{indiciaeec1004de2d8f,
  title = {Instability effects in diffusion analyses of antimicrobial activity.},
  author = {J P Van Natta and B J Wu and T S Chang},
  year = {1970},
  doi = {10.1128/am.19.2.394-397.1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/4908536/},
  note = {Source identifier: 4908536}
}