@misc{indiciae4d63ac28612e,
  title = {O-T-C internal analgesics.},
  author = {W H Barr and R P Penna},
  year = {1967},
  doi = {10.1016/s0003-0465(16)30196-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6043835/},
  note = {Source identifier: 6043835}
}