@misc{indiciae2e7f3afc3175,
  title = {Echinacea and clarification.},
  author = {Raj K Chopra},
  year = {2003},
  doi = {10.1001/archinte.163.20.2536-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/14609796/},
  note = {Source identifier: 14609796}
}