@misc{indiciae017edd9c84c5,
  title = {Primary antiphospholipid syndrome and osteonecrosis.},
  author = {P Vela and E Batlle and E Salas and P Marco},
  url = {https://pubmed.ncbi.nlm.nih.gov/1954708/},
  note = {Source identifier: 1954708}
}