@misc{indiciae093e8436bdac,
  title = {Testing familial aggregation.},
  author = {J J Houwing-Duistermaat and B H Derkx and F R Rosendaal and H C van Houwelingen},
  year = {1995},
  url = {https://pubmed.ncbi.nlm.nih.gov/8589223/},
  note = {Source identifier: 8589223}
}