@misc{indiciae859bb7f6eeb2,
  title = {Multiple-layer, direct-compression, controlled-release system: in vitro and in vivo evaluation.},
  author = {R A Fassihi and W A Ritschel},
  year = {1993},
  doi = {10.1002/jps.2600820715},
  url = {https://pubmed.ncbi.nlm.nih.gov/8360851/},
  note = {Source identifier: 8360851}
}