@misc{indiciaee958cda0a2a7,
  title = {[Basic stages for developoing hygiene and ecology].},
  author = {P G Tkachev and A A Liapkalo and I P L'gova and V N Riabchikov},
  url = {https://pubmed.ncbi.nlm.nih.gov/12861678/},
  note = {Source identifier: 12861678}
}