@misc{indiciae202f6d48a96b,
  title = {Decreased bioavailable testosterone in aging normal and impotent men.},
  author = {H R Nankin and J H Calkins},
  year = {1986},
  doi = {10.1210/jcem-63-6-1418},
  url = {https://pubmed.ncbi.nlm.nih.gov/3782425/},
  note = {Source identifier: 3782425}
}