@misc{indiciaebaca987e06f9,
  title = {Gravitaxis in unicellular microorganisms.},
  author = {D P Hader},
  year = {1999},
  doi = {10.1016/s0273-1177(99)00965-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/11542630/},
  note = {Source identifier: 11542630}
}