@misc{indiciae6d4e10c4a2e3,
  title = {[Gastrointestinal sphincters--pharmacologic viewpoints].},
  author = {M Papasova and L Todorov and N Kortezova and V Velkova},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1681624/},
  note = {Source identifier: 1681624}
}