TY  - RPRT
TI  - Decreased bioavailable testosterone in aging normal and impotent men.
AU  - H R Nankin
AU  - J H Calkins
PY  - 1986
DO  - 10.1210/jcem-63-6-1418
UR  - https://pubmed.ncbi.nlm.nih.gov/3782425/
ID  - 3782425
ER  -