@misc{indiciaed41fc99d7623,
  title = {Silverudd's multiple cock shift system (SMCSS).},
  author = {M Silverudd},
  year = {1974},
  doi = {10.1111/j.1601-5223.1974.tb00931.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4448682/},
  note = {Source identifier: 4448682}
}