@misc{indiciae99a6e298d94e,
  title = {[Complex pH-esophagogastroduodenography].},
  author = {L A Serebrina and V M Mavrodiĭ},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/80478/},
  note = {Source identifier: 80478}
}