@misc{indiciae9bf8b0244d6d,
  title = {Further observations on periodic disorders.},
  author = {E ASK-UPMARK},
  year = {1963},
  doi = {10.1111/j.0954-6820.1963.tb16518.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13965220/},
  note = {Source identifier: 13965220}
}