@misc{indiciaeb2ff890d84f7,
  title = {When blood pressure is difficult to control.},
  author = {J P Chalmers},
  year = {1981},
  doi = {10.2165/00003495-198121030-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/7261950/},
  note = {Source identifier: 7261950}
}