@misc{indiciaef082a83dd327,
  title = {Pi M4: an additional Pi M subtype.},
  author = {J Constans and M Viau and C Gouaillard},
  year = {1980},
  doi = {10.1007/bf00329137},
  url = {https://pubmed.ncbi.nlm.nih.gov/6969686/},
  note = {Source identifier: 6969686}
}