@misc{indiciae4c65899b089b,
  title = {Safety and tolerance of ester-C compared with regular ascorbic acid.},
  author = {Joerg Gruenwald and Hans-Joachim Graubaum and Regina Busch and Christine Bentley},
  doi = {10.1007/bf02850358},
  url = {https://pubmed.ncbi.nlm.nih.gov/16644619/},
  note = {Source identifier: 16644619}
}